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Rocket Report: Russia pledges quick fix for Soyuz launch pad; Ariane 6 aims high


South Korean rocket startup Innospace is poised to debut a new nano-launcher.

The fifth Ariane 6 rocket climbs away from Kourou, French Guiana, with two European Galileo navigation satellites. Credit: ESA-CNES-Arianespace

Welcome to Edition 8.23 of the Rocket Report! Several new rockets made their first flights this year. Blue Origin’s New Glenn was the most notable debut, with a successful inaugural launch in January followed by an impressive second flight in November, culminating in the booster’s first landing on an offshore platform. Second on the list is China’s Zhuque-3, a partially reusable methane-fueled rocket developed by the quasi-commercial launch company LandSpace. The medium-lift Zhuque-3 successfully reached orbit on its first flight earlier this month, and its booster narrowly missed landing downrange. We could add China’s Long March 12A to the list if it flies before the end of the year. This will be the final Rocket Report of 2025, but we’ll be back in January with all the news that’s fit to lift.

As always, we welcome reader submissions. If you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets, as well as a quick look ahead at the next three launches on the calendar.

Rocket Lab delivers for Space Force and NASA. Four small satellites rode a Rocket Lab Electron launch vehicle into orbit from Virginia early Thursday, beginning a government-funded technology demonstration mission to test the performance of a new spacecraft design, Ars reports. The satellites were nestled inside a cylindrical dispenser on top of the 59-foot-tall (18-meter) Electron rocket when it lifted off from NASA’s Wallops Flight Facility. A little more than an hour later, the rocket’s upper stage released the satellites one at a time at an altitude of about 340 miles (550 kilometers). The launch was the starting gun for a proof-of-concept mission to test the viability of a new kind of satellite called DiskSats, designed by the Aerospace Corporation.

Stack ’em high… “DiskSat is a lightweight, compact, flat disc-shaped satellite designed for optimizing future rideshare launches,” the Aerospace Corporation said in a statement. The DiskSats are 39 inches (1 meter) wide, about twice the diameter of a New York-style pizza, and measure just 1 inch (2.5 centimeters) thick. Made of composite carbon fiber, each satellite carries solar cells, control avionics, reaction wheels, and an electric thruster to change and maintain altitude. The flat design allows DiskSats to be stacked one on top of the other for launch. The format also has significantly more surface area than other small satellites with comparable mass, making room for more solar cells for high-power missions or large-aperture payloads like radar imaging instruments or high-bandwidth antennas. NASA and the US Space Force cofunded the development and launch of the DiskSat demo mission.

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SpaceX warns of dangerous Chinese launch. China’s recent deployment of nine satellites occurred dangerously close to a Starlink satellite, SpaceX’s vice president of Starlink engineering said. Michael Nicolls wrote in a December 12 social media post that there was a 200-meter close approach between a satellite launched December 10 on a Chinese Kinetica-1 rocket and SpaceX’s Starlink-6079 spacecraft at 560 kilometers (348 miles) altitude, Aviation Week and Space Technology reports. “Most of the risk of operating in space comes from the lack of coordination between satellite operators—this needs to change,” Nicolls wrote.

Blaming the customer... The company in charge of the Kinetica-1 rocket, CAS Space, responded to Nicolls’ post on X saying it would “work on identifying the exact details and provide assistance.” In a follow-up post on December 13, CAS Space said the close call, if confirmed, occurred nearly 48 hours after the satellite separated from the Kinetica-1 rocket, by which time the launch mission had long concluded. “CAS Space will coordinate with satellite operators to proceed.”

A South Korean startup is ready to fly. Innospace, a South Korean space startup, will launch its independently developed commercial rocket, Hanbit-Nano, as soon as Friday, the Maeil Business Newspaper reports. The rocket will lift off from the Alcântara Space Center in Brazil. The small launcher will attempt to deliver eight small payloads, including five deployable satellites, into low-Earth orbit. The launch was delayed two days to allow time for technicians to replace components of the first stage oxidizer supply cooling system.

Hybrid propulsion… This will be the first launch of Innospace’s Hanbit-Nano rocket. The launcher has two stages and stands 71 feet (21.7 meters) tall with a diameter of 4.6 feet (1.4 meters). Hanbit-Nano is a true micro-launcher, capable of placing up to 200 pounds (90 kilograms) of payload mass into Sun-synchronous orbit. It has a unique design, with hybrid engines consuming a mix of paraffin as the fuel and liquid oxygen as the oxidizer.

Ten years since a milestone in rocketry. On December 21, 2015, SpaceX launched the Orbcomm-2 mission on an upgraded version of its Falcon 9 rocket. That night, just days before Christmas, the company successfully landed the first stage for the first time. Ars has reprinted a slightly condensed chapter from the book Reentry, authored by Senior Space Editor Eric Berger and published in 2024. The chapter begins in June 2015 with the failure of a Falcon 9 rocket during launch of a resupply mission to the International Space Station and ends with a vivid behind-the-scenes recounting of the historic first landing of a Falcon 9 booster to close out the year.

First-person account… I have my own memory of SpaceX’s first rocket landing. I was there, covering the mission for another publication, as the Falcon 9 lifted off from Cape Canaveral, Florida. In an abundance of caution, Air Force officials in charge of the Cape Canaveral spaceport closed large swaths of the base for the Falcon 9’s return to land. The decision shunted VIPs and media representatives to viewing locations outside the spaceport’s fence, so I joined SpaceX’s official press room at the top of a seven-floor tower near the Port Canaveral cruise terminals. The view was tremendous. We all knew to expect a sonic boom as the rocket came back to Florida, but its arrival was a jolt. The next morning, I joined SpaceX and a handful of reporters and photographers on a chartered boat to get a closer look at the Falcon 9 standing proudly after returning from space.

Roscosmos targets quick fix to Soyuz launch pad. Russian space agency Roscosmos says it expects a damaged launch pad critical to International Space Station operations to be fixed by the end of February, Aviation Week and Space Technology reports. “Launch readiness: end of February 2026,” Roscosmos said in a statement Tuesday. Russia had been scrambling to assess the extent of repairs needed to Pad 31 at the Baikonur Cosmodrome in Kazakhstan after the November 27 flight of a Soyuz-2.1a rocket damaged key elements of the infrastructure. The pad is the only one capable of supporting Russian launches to the ISS.

Best-case scenario… A quick repair to the launch pad would be the best-case scenario for Roscosmos. A service structure underneath the rocket was unsecured during the launch of a three-man crew to the ISS last month. The structure fell into the launch pad’s flame trench, leaving the complex without the service cabin technicians use to work on the Soyuz rocket before liftoff. Roscosmos said a “complete service cabin replacement kit” has arrived at the Baikonur Cosmodrome, and more than 130 staff are working in two shifts to implement the repairs. A fix by the end of February would allow Russia to resume cargo flights to the ISS in March.

Atlas V closes out an up-and-down year for ULA. United Launch Alliance aced its final launch of 2025, a predawn flight of an Atlas V rocket Tuesday carrying 27 satellites for Amazon’s recently rebranded Leo broadband Internet service, Spaceflight Now reports. The rocket flew northeast from Cape Canaveral to place the Amazon Leo satellites into low-Earth orbit. This was ULA’s fourth launch for Amazon’s satellite broadband venture, previously known as Project Kuiper. ULA closes out 2025 with six launches, one more than the company achieved last year. But ULA’s new Vulcan rocket launched just once this year, disappointingly short of the company’s goal to fly Vulcan up to 10 times.

Taking stock of Amazon Leo… This year marked the start of the deployment of Amazon’s operational satellites. There are now 180 Amazon Leo satellites in orbit after Tuesday’s launch, well short of the FCC’s requirement for Amazon to deploy half of its planned 3,232 satellites by July 31, 2026. Amazon won’t meet the deadline, and it’s likely the retail giant will ask government regulators for a waiver or extension to the deadline. Amazon’s factory is hitting its stride producing and delivering Amazon Leo satellites. The real question is launch capacity. Amazon has contracts to launch satellites on ULA’s Atlas V and Vulcan rockets, Europe’s Ariane 6, and Blue Origin’s New Glenn. Early next year, a batch of 32 Amazon Leo satellites will launch on the first flight of Europe’s uprated Ariane 64 rocket from Kourou, French Guiana. (submitted by EllPeaTea)

A good year for Ariane 6. Europe’s Ariane 6 rocket launched four times this year after a debut test flight in 2024. The four successful missions deployed payloads for the French military, Europe’s weather satellite agency, the European Union’s Copernicus environmental monitoring network, and finally, on Wednesday, the European Galileo navigation satellite fleet, Space News reports. This is a strong showing for a new rocket flying from a new launch pad and a faster ramp-up of launch cadence than any medium- or heavy-lift rocket in recent memory. All five Ariane 6 launches to date have used the Ariane 62 configuration with two strap-on solid rocket boosters. The more powerful Ariane 64 rocket, with four strap-on motors, will make its first flight early next year.

Aiming high… This was the first launch using the Ariane 6 rocket’s ability to fly long-duration missions lasting several hours. The rocket’s cryogenic upper stage, with a restartable Vinci engine, took nearly four hours to inject two Galileo navigation satellites into an orbit more than 14,000 miles (nearly 23,000 kilometers) above the Earth. The flight profile put more stress on the Ariane 6 upper stage than any of the rocket’s previous missions, but the rocket released its payloads into an on-target orbit. (submitted by EllPeaTea)

ESA wants to do more with Ariane 6’s kick stage. The European Space Agency plans to adapt a contract awarded to ArianeGroup in 2021 for an Ariane 6 kick stage to cover its evolution into an orbital transfer vehicle, European Spaceflight reports. The original contract was for the development of the Ariane 6’s Astris kick stage, an optional addition for Ariane 6 missions to deploy payloads into multiple orbits or directly inject satellites into geostationary orbit. Last month, ESA’s member states committed approximately 100 million euros ($117 million) to refocus the Astris kick stage into a more capable Orbital Transfer Vehicle (OTV).

Strong support from Germany… ESA’s director of space transportation, Toni Tolker-Nielsen, said the performance of the Ariane 6 OTV will be “well beyond” that of the originally conceived Astris kick stage. The funding commitment obtained during last month’s ESA ministerial council meeting includes strong support from Germany, Tolker-Nielsen said. Under the new timeline, a protoflight mode of the OTV is expected to be ready for ground qualification by the end of 2028, with an inaugural flight following in 2029. (submitted EllPeaTea)

Another Starship clone in China. Every other week, it seems, a new Chinese launch company pops up with a rocket design and a plan to reach orbit within a few years. For a long time, the majority of these companies revealed designs that looked a lot like SpaceX’s Falcon 9 rocket. Now, Chinese companies are starting to introduce designs that appear quite similar to SpaceX’s newer, larger Starship rocket, Ars reports. The newest entry comes from a company called “Beijing Leading Rocket Technology.” This outfit took things a step further by naming its vehicle “Starship-1,” adding that the new rocket will have enhancements from AI and is billed as being a “fully reusable AI rocket.”

Starship prime… China has a long history of copying SpaceX. The country’s first class of reusable rockets, which began flying earlier this month, show strong similarities to the Falcon 9 rocket. Now, it’s Starship. The trend began with the Chinese government. In November 2024, the government announced a significant shift in the design of its super-heavy lift rocket, the Long March 9. Instead of the previous design, a fully expendable rocket with three stages and solid rocket boosters strapped to the sides, the country’s state-owned rocket maker revealed a vehicle that mimicked SpaceX’s fully reusable Starship. At least two more companies have announced plans for Starship-like rockets using SpaceX’s chopstick-style method for booster recovery. Many of these launch startups will not grow past the PowerPoint phase, of course.

Next three launches

Dec. 19: Hanbit-Nano | Spaceward | Alcântara Launch Center, Brazil | 18: 45 UTC

Dec. 20: Long March 5 | Unknown Payload | Wenchang Space Launch Site, China | 12: 30 UTC

Dec. 20: New Shepard | NS-37 crew mission | Launch Site One, Texas | 14: 00 UTC

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

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These are the flying discs the government wants you to know about


DiskSat’s design offers “a power-to-weight ratio unmatched by traditional aluminum satellites.”

An artist’s illustration of DiskSats deploying from a rocket in low-Earth orbit. Credit: NASA

Four small satellites rode a Rocket Lab Electron launch vehicle into orbit from Virginia early Thursday, beginning a government-funded technology demonstration mission to test the performance of a new spacecraft design.

The satellites were nestled inside a cylindrical dispenser on top of the 59-foot-tall (18-meter) Electron rocket when it lifted off from NASA’s Wallops Flight Facility at 12: 03 am EST (05: 03 UTC). A little more than an hour later, the rocket’s upper stage released the satellites one at a time at an altitude of about 340 miles (550 kilometers).

The launch was the starting gun for a proof-of-concept mission to test the viability of a new kind of satellite called DiskSats. These satellites were designed by the Aerospace Corporation, a nonprofit federally funded research and development center. The project is jointly financed by NASA and the US Space Force, which paid for DiskSat’s development and launch, respectively.

“DiskSat is a lightweight, compact, flat disc-shaped satellite designed for optimizing future rideshare launches,” the Aerospace Corporation says in a statement.

The DiskSats are 39 inches (1 meter) wide, about twice the diameter of a New York-style pizza, and measure just 1 inch (2.5 centimeters) thick. Made of composite carbon fiber, each satellite carries solar cells, control avionics, reaction wheels, and an electric thruster to change and maintain altitude.

“The launch went perfectly, and the DiskSat dispenser worked exactly as designed,” said Darren Rowen, the project’s chief engineer, in a statement. “We’re pleased to have established contact with all four of the DiskSats, and we’re looking forward to the rest of the demonstration mission.”

An engineer prepares Aerospace Corporation’s DiskSats for launch at NASA’s Wallops Flight Facility in Virginia. Credit: Aerospace Corporation

A new form factor

The Aerospace Corporation has a long history of supporting the US military and NASA since its founding in 1960. A few years ago, engineers at the center developed the DiskSat concept after surveying the government’s emerging needs in spaceflight.

CubeSats have been a ubiquitous part of the satellite industry for nearly a quarter-century. They are based on a cube-shaped design, measuring about 10 centimeters per side, but can be scaled from a single cube “unit” to three, six, 12, or more, depending on mission requirements. The CubeSat standard has become a popular choice for commercial companies, the military, NASA, and universities looking to build small satellites on a tight budget.

By one measure, nearly 3,000 CubeSats have launched since the first one soared into orbit in 2003. After originally being confined to low-Earth orbit, they have now flown to high-altitude orbits, to the Moon, and to Mars.

While CubeSats are now prolific, engineers at the Aerospace Corporation saw an opportunity to improve on the concept. Debra Emmons, Aerospace’s chief technology officer, said the idea originated from Rich Welle, a scientist recently retired from the center’s Experiments Lab, or xLab, division.

“They were asking questions,” Emmons told Ars. “They were looking at CubeSat studies and looking at some alternatives. The typical CubeSat is, in fact, a cube. So, the idea was could you look at some different types of form factors that might be able to generate more power … and offer up benefit for certain mission applications?”

Aerospace’s research team arrived at the DiskSat design. Emmons said the stackable flat-panel format is easier to pack for launch than a CubeSat. The concept is similar to SpaceX’s pioneering approach to launching stackable Starlink Internet satellites, but DiskSats are significantly smaller, lighter, and adaptable to different kinds of missions.

A batch of Starlink satellites prior to launch

A stack of Starlink satellites prior to launch. Credit: SpaceX

DiskSats have several advantages over CubeSats, according to the Aerospace Corporation. Each of the four DiskSats launched Thursday has a mass of about 35 pounds (16 kilograms), less than that of a typical 12U CubeSat. But a DiskSat has more than 13 times the surface area on a single side, providing valuable real estate for developers to load up the satellite with power-generating solar arrays, sensors, antennas, or other payloads that simply won’t fit on a CubeSat.

SpaceX’s current generation of mass-produced Starlink V2 satellites, by comparison, each has a mass of more than 1,100 pounds, or 500 kilograms.

DiskSat’s design offers “a power-to-weight ratio unmatched by traditional aluminum satellites,” the Aerospace Corporation says. In a research paper published earlier this year, engineers from the Aerospace Corporation claimed DiskSat can generate five to 10 times more power than a CubeSat.

A disruptive solution?

What kinds of missions might DiskSat be useful for? One idea involves placing a large radar antenna—too big to fit on any other low-mass satelliteon the broadside of a DiskSat to collect all-weather surveillance imagery. Similarly-sized antennas on other DiskSats could support high-bandwidth communications.

With this demo mission, the Aerospace Corporation will test the performance of the DiskSat platform in space for the first time. Engineers will initially look at how the satellites function at 340 miles, then use their electric thrusters to gradually step down to lower altitudes, where another aspect of DiskSat’s design will shine.

Flying edge-on, the satellite’s pancake shape will minimize aerodynamic drag as the DiskSats encounter thicker air below 250 miles. Continual pulsing from the satellites’ electric thrusters will allow the DiskSats to maintain altitude as they glide through the uppermost layers of the atmosphere.

“The primary mission is to demonstrate and to understand the performance, functionality, and maneuverability of the DiskSat buses on orbit, particularly in low-Earth orbit, or LEO, and very low-Earth orbit, or VLEO,” said Catherine Venturini, DiskSat’s principal investigator.

“In theory, I think you could operate down to 200 kilometers (124 miles) with electric propulsion,” Emmons said. That is two to three times closer to Earth than most commercial radar imaging satellites. Other satellite operators are also assessing the viability of flying remote sensing missions in VLEO.

Flying closer to the ground delivers higher-resolution imagery, bringing cities, ships, airports, and military bases into sharper view. So it’s easy to see why the Space Force is interested in the DiskSat concept.

DiskSat’s engineers acknowledge there are drawbacks to the format. With such a large surface area, it’s more difficult to manage the temperature extremes of low-Earth orbit than it is with a conventional cube-shaped satellite. While DiskSats carry a lot of oomph to change altitude, their shape makes them somewhat clunky and hard to turn, and engineers say they aren’t well-suited for missions requiring agile pointing.

Rocket Lab’s Electron launcher lifts off to begin the DiskSat demo mission, a program co-funded by NASA and the US military’s Space Test Program. Credit: Austin DeSisto/Rocket Lab

The Aerospace Corporation is a research center, not a commercial satellite manufacturer. Officials at the nonprofit are looking to hand over the DiskSat design to industry through a technology transfer agreement. “The plan is to release or license the technology to partners once it is flight-proven,” the Aerospace Corporation says on its website.

“We think this new technology will be disruptive to the small spacecraft enterprise and ecosystem,” said Eric Breckheimer, DiskSat’s program manager.

DiskSat’s stackable design makes it possible to launch a fleet of high-power, low-mass satellites in one go, according to Emmons.

Following the trend toward bigger CubeSats, the DiskSat format could also grow larger to take advantage of heavier rockets. “There’s a key scalability aspect, and with that in mind, you could bring an entire constellation of DiskSats with you in a single launch,” Breckheimer said.

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

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Rocket Lab chief opens up about Neutron delays, New Glenn’s success, and NASA science


“In the end of the day, NASA has to capture the public’s imagination.”

Peter Beck, founder and chief executive officer of Rocket Lab, during TechCrunch Disrupt in San Francisco on October 28, 2024. Credit: David Paul Morris/Bloomberg via Getty Images

The company that pioneered small launch has had a big year.

Rocket Lab broke its annual launch record with the Electron booster—17 successful missions this year, and counting—and is close to bringing its much larger Neutron rocket to the launch pad.

The company also expanded its in-space business, including playing a key role in supporting the landing of Firefly’s Blue Ghost mission on the Moon and building two small satellites just launched to Mars.

Overall, it has been quite a ride for the company founded nearly two decades ago in New Zealand by Peter Beck. A new book about the company’s origins and aspirations, The Launch of Rocket Lab, tells the story of the company’s rise in words and grand images.

Ars recently spoke with Beck about Rocket Lab’s past, present, and future. This interview has been edited lightly for clarity.

Ars: In reading through the book and considering the history of Rocket Lab, I’m continually amazed that a handful of engineers in the country with no space program, no space heritage, built the world’s second most accomplished commercial launch company. What do you attribute that success to?

Peter Beck: It’s hard to know. But there’s a few elements within Rocket Lab that have always remained steadfast, no matter what we do or how big we get. And I think a lot of space companies have tried to see how much they can get away with. And it turns out, in this industry, you just can’t get away with taking very many shortcuts at all. So I think that’s part of it. The attitude of our organization is like, nothing’s too big, nothing’s too hard. We just make it happen. The team works extremely hard. If you drive past the Rocket Lab car park on a Sunday, it looks just like the SpaceX car park on a Sunday. And, you know, the team is very mission-driven. They’re always fighting for a goal, which I think is important. And then, above anything, I just think we can never outspend Elon (Musk) and Jeff (Bezos). We have to out-hustle. And that’s just the reality. The Rocket Lab hustle comes down to just not accepting no as an answer. If a barrier comes up a lot of space companies, or a lot of companies in general, whether its regulatory or technical, it’s easy to submit to the problem, rather than just continue to attack it.

Ars: Electron keeps going. In fact, you’ve just flown a record 17th mission this year, and you continue to sign large deals. How has Electron survived the era of rideshare missions on the Falcon 9?

Beck: We’ve always had the thesis that there is a need for a dedicated small launch. You can put as many Bandwagons and as many Transporters as you want, and you can reduce the price to unsustainably low levels as long as you want. It doesn’t make any difference to us, because it’s a totally different product. As folks are building out constellations, it’s no use just getting dumped out in one orbit. So a lot of Electrons these days are just building out constellations for folks where they have optimized for a specific altitude and inclination and so forth. And we can hit those every time. And if you amortize the cost of launch over the actual lifetime of that constellation and the service that it can provide, it’s cheap, and it’s something rideshares can never deliver.

Ars: It’s surprising to me that after so many years and so many startups, there really isn’t a viable competitor in Electron’s class anywhere in the world.

Beck: It’s pretty hard to build a small rocket. I call it the pressure transducer equilibrium. A pressure transducer on a little rocket is a meaningful amount of mass. A pressure transducer on Neutron is totally irrelevant. Just throw 10 at them, and who cares? But on Electron, if you throw 10 pressure transducers at a problem, then you know, you’ve added a kilo. That’s a meaningful portion of the lift capacity of the vehicle. And there’s no super-magic store where you can go and buy a pressure transducer that scales with the size of the rocket. So you end up with a bunch of stuff that just doesn’t scale, that contributes meaningful mass to the vehicle. If you look at Electron’s payload performance, it’s really high for the size of that rocket. So that’s really hard to do because in an instance where you would throw 10 pressure transducers at a problem, we can only afford to throw one at Electron, but we still want the same redundancy and the same reliability and all of those kinds of things. So that just drives really, really difficult engineering solutions.

And then from a financial standpoint, it’s got a sticker price of $8.5 million, let’s call it. Your flight safety team doesn’t care if it’s a big rocket or a little rocket. Your range team doesn’t care if they’re opening a 12-inch valve or a 2-inch valve. All those teams just have to become ruthlessly efficient at doing that work. So if you go to a big rocket, you might have a flight safety team of 20 people. You come here, it has to be like three. So you have to find ways of really streamlining all those processes. And every little person and dollar and gram has to be ringed out.

Rocket Lab launches an Electron booster with a previously flown engine on Thursday.

Credit: Rocket Lab

Rocket Lab launches an Electron booster with a previously flown engine on Thursday. Credit: Rocket Lab

Ars: What’s going on with the Electron reuse program? My sense is that you’ve kind of learned what you needed to know and are moving on.

Beck: Yeah, that’s pretty much it. It was a hugely valuable learning tool, but if you look at an Electron recovery, we might recover sort of a million dollars worth of stage one booster. And of course, the more we make, the cheaper they get, because we’re continuing to scale so that it’s ever decreasing that return. Quite frankly, and honestly, it’s just like, do we have reusability and recovery teams working on something that returns a million dollars every time it flies? Or, do we have them working on Neutron, where it’s tens of millions of dollars every time you fly? So it’s just about, you know, directing the resource for the biggest bang for the buck.

Ars: I listened to your recent earnings call where you discussed Neutron’s development and delay into 2026. What are the biggest issues you face in getting Neutron over the finish line?

Beck: It would be actually easier if there was an issue, because then I could just say something blew up, or this is a problem. But there’s no real issues. It’s just that we’re not going to put something on the pad that doesn’t meet kind of the standard that’s made us successful. Say something might pass the qualification test, but if we see something in a strain gauge on the back of the panel, or something that we don’t understand, we just don’t move on. We’re not going to move on unless we understand every little element of what’s going on. Maybe I’m on some kind of spectrum for details, but that’s what’s kept us successful. It’s just a bigger rocket, and it’s got more unique features like hungry hippo (the payload fairing opening mechanism) and giant carbon structures. So, you know, it’s not like anything has shit the bed. It’s just a big machine, and there’s some new stuff, and we want to make sure we don’t lose the magic of what we created. A little bit of time now can save a huge amount of heartbreak later on.

Ars: Toward the end of the book, you say that Rocket Lab is best positioned to compete with SpaceX in medium-lift launch, and break up the Falcon 9 monopoly. What is your sense of the competitive landscape going forward? We just saw a New Glenn launch and land, and that was really impressive—

Beck: Bloody impressive. Jeff (Bezos) laid down a new bar. That was incredible. People forget that he’s been working on it for 22 years, but even so, that was impressive.

Ars: Yes, it’s been a journey for them. Anyway, there’s also Vulcan, but that’s only flown one time this year, so they’ve got a ways to go. Then Stoke and Relativity are working at it. What’s your view of your competition going forward?

Beck: I hate comparing it to aviation, but I call medium-class lifters the Boeing 737 of the industry. Then you got your A380s, which are your Starships and your New Glenns. And then you’ve got your Electrons, which are your private jets. And you know, if you look at the aviation sector, nobody comes in and just brings an airplane in and wipes everybody out, because there’s different needs and different missions. And just like there’s a 737 there’s an A320 and that’s kind of what Neutron is intending to be. We had a tremendous pull from our customers, both government and commercial, for alternatives to what’s out there.

The other thing to remember is, for our own aspirations, we need a high-cadence, reusable, low-cost, multi-ton lift capability. I think I’ve been clear that I think the large space companies of the future are going to be a little bit blurry. Are they a space company, or are they something else? But there’s one thing that is absolutely sure, that if you have multi-ton access to orbit in a reusable, low-cost way, it’s going to be very, very difficult to compete with if you’re someone who doesn’t have that capability. And if you look at our friends at SpaceX, yeah, Starlinks are great satellites and all the rest of it. But what really enabled Starlink was the Falcon 9. Launch is a difficult business. It’s kind of lumpy and deeply complex, but at the end of the day, it is the access to orbit. And, you know, having multi-ton access to orbit is just critical. If you’re thinking that you want to try and build one of the biggest space companies in the world, then you just have to have that.

Ars: Rocket Lab has expressed interest in Mars recently, both the Mars Telecommunications Orbiter and a Mars Sample Return mission. As Jared Isaacman and NASA think about commercial exploration of Mars, what would you tell them about what Rocket Lab could bring to the table?

Beck: I’m a great believer that government should do things for which it makes no sense for commercial entities to do, and commercial should do the things that it makes no sense for governments to do. Consider Mars Sample Return, we looked at that, and the plan was $11 billion and 20 years? It’s just, come on. It was crazy. And I don’t want to take the shine off. It is a deeply technical, deeply difficult mission to do. But it can be done, and it can be done commercially, and it can be done at a fraction of the price. So let industry have at it.

And look, Eric, I love planetary science, right? I love exploring the planets, and I think that if you have a space company that’s capable of doing it, it’s almost your duty for the knowledge of the species to go and do those sorts of things. Now, we’re a publicly traded company, so we have to make margin along the way. We’ve proven we can do that. Look at ESCAPADE. All up, it was like $50 million cost, launched, and on its way to Mars. I mean, that’s the sort of thing we need to be doing, right? That’s great bang for your buck. And you know, as you mentioned, we’re pushing hard on the MTO. The reality is that if you’re going to do anything on Mars, whether it’s scientific or human, you’ve got to have the comms there. It’s just basic infrastructure you’ve got to have there first. It’s all very well to do all the sexy stuff and put some humans in a can and send them off to Mars. That’s great. But everybody expects the communication just to be there, and you’ve got to put the foundations in first. So we think that’s a really important mission, and something that we can do, and something we can contribute to the first humans landing on Mars.

Rocket Lab’s Neutron rocket is shown in this rendering delivering a stack of satellites into orbit.

Credit: Rocket Lab

Rocket Lab’s Neutron rocket is shown in this rendering delivering a stack of satellites into orbit. Credit: Rocket Lab

Ars: You mentioned ESCAPADE. How’s your relationship with Jeff Bezos? I heard there was some tension last year because Rocket Lab was being asked to prepare the satellite for launch, even when it was clear New Glenn was not going to make the Mars window.

Beck: I know you want me to say yes, there is, but the honest truth is absolutely zero. I know David (Limp, Blue Origin’s CEO) super well. We’re great friends. Jeff and I were texting backwards and forwards during the launch. There’s just honestly none. And you know that they gave us a great ride. They were bang on the numbers. It was awesome. Yeah, sure, it would have been great to get there early. But it’s a rocket program, right? Nobody can show me a rocket program that turned up exactly on time. And yep, it may have been obvious that it might not have been able to launch on the first (window), but we knew there’s always other ways. Worst-case scenario, we have to go into storage for a little bit. These missions are years and years long. So what’s a little bit longer?

Ars: Speaking of low-cost science missions, I know Isaacman is interested in commercial planetary missions. Lots of $4 billion planetary missions just aren’t sustainable. If NASA commits to commercial development of satellite buses and spacecraft like it did to commercial cargo and crew, what could planetary exploration look like a decade from now?

Beck: I think that’d be tremendously exciting. One of the reasons why we did CAPSTONE was to prove that you can go to the Moon for $10 million. Now, we lost a lot of money on that mission, so that ultimately didn’t prove to be true. But it wasn’t crazy amounts, and we still got there miles cheaper than anybody else could have ever got there. And ESCAPADE, we have good margins on, and it’s just a true success, right? Touch wood to date, like we’ve got a long way to go, but success in the fact that the spacecraft were built, delivered, launched, and commissioned.

This is the thing. Take your billion-dollar mission. How many $50 million missions, or $100 million missions, could you do? Imagine the amount of science you can do. I think part of the reason why the public gets jaded with some of these science missions is because they happen once a decade, and they’ve got billions of dollars of price tags attached to them. It’s kind of transitorily exciting when they happen, but they’re so far apart. In the end of the day, NASA has to capture the public’s imagination, because the public are funding it. So it has to seem relevant, relevant to mum and dad at home. And you know, when mum and dad are home and it’s tough, and then they just hear billions of dollars and, you know, years of overrun and all the rest of it, how can they feel good about that? Whereas, if they can spend much less and deliver it on time and have a constant stream of really interesting missions in science, I think that it’s great for public justification. I think it’s great for planetary science, because obviously you’re iterating on your results, and it’s great for the whole community to just have a string of missions. And also, I think it’s great for US space supremacy to be blasting around the Solar System all the time, rather than just now and again.

Ars: Ok Pete, it’s November 18. How confident should we be in a Neutron launch next year? 50/50?

Beck: Hopefully better than 50/50. That would be a definite fail. We’re taking the time to get it right. I always caveat anything, Eric, that it’s a rocket program, and we’ve got some big tests in front of us. But to date, if you look at the program, it’s been super smooth; like we haven’t exploded tanks, we haven’t exploded engines. We haven’t had any major failure, especially when we’re pushing some new boundaries and some new technology. So I think it’s going really, really smoothly, and as long as it continues to go smoothly, then I think we’re in good shape.

Photo of Eric Berger

Eric Berger is the senior space editor at Ars Technica, covering everything from astronomy to private space to NASA policy, and author of two books: Liftoff, about the rise of SpaceX; and Reentry, on the development of the Falcon 9 rocket and Dragon. A certified meteorologist, Eric lives in Houston.

Rocket Lab chief opens up about Neutron delays, New Glenn’s success, and NASA science Read More »

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Rocket Report: SpaceX’s next-gen booster fails; Pegasus will fly again


With the government shutdown over, the FAA has lifted its daytime launch curfew.

Blue Origin’s New Glenn booster arrives at Port Canaveral, Florida, for the first time Tuesday aboard the “Jacklyn” landing vessel. Credit: Manuel Mazzanti/NurPhoto via Getty Images

Welcome to Edition 8.20 of the Rocket Report! For the second week in a row, Blue Origin dominated the headlines with news about its New Glenn rocket. After a stunning success November 13 with the launch and landing of the second New Glenn rocket, Jeff Bezos’ space company revealed a roadmap this week showing how engineers will supercharge the vehicle with more engines. Meanwhile, in South Texas, SpaceX took a step toward the first flight of the next-generation Starship rocket. There will be no Rocket Report next week due to the Thanksgiving holiday in the United States. We look forward to resuming delivery of all the news in space lift the first week of December.

As always, we welcome reader submissions. If you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets, as well as a quick look ahead at the next three launches on the calendar.

Northrop’s Pegasus rocket wins a rare contract. A startup named Katalyst Space Technologies won a $30 million contract from NASA in August to build a robotic rescue mission for the agency’s Neil Gehrels Swift Observatory in low-Earth orbit. Swift, in space since 2004, is a unique instrument designed to study gamma-ray bursts, the most powerful explosions in the Universe. The spacecraft lacks a propulsion system and its orbit is subject to atmospheric drag, and NASA says it is “racing against the clock” to boost Swift’s orbit and extend its lifetime before it falls back to Earth. On Wednesday, Katalyst announced it selected Northrop Grumman’s air-launched Pegasus XL rocket to send the rescue craft into orbit next year.

Make this make sense … At first glance, this might seem like a surprise. The Pegasus XL rocket hasn’t flown since 2021 and has launched just once in the last six years. The solid-fueled rocket is carried aloft under the belly of a modified airliner, then released to fire payloads of up to 1,000 pounds (450 kilograms) into low-Earth orbit. It’s an expensive rocket for its size, with Northrop charging more than $25 million per launch, according to the most recent public data available; the satellites best suited to launch on Pegasus will now find much cheaper tickets to orbit on rideshare missions using SpaceX’s Falcon 9 rocket. There are a few reasons none of this mattered much to Katalyst. First, the rescue mission must launch into a very specific low-inclination orbit to rendezvous with the Swift observatory, so it won’t be able to join one of SpaceX’s rideshare missions. Second, Northrop Grumman has parts available for one more Pegasus XL rocket, and the company might have been willing to sell the launch at a discount to clear its inventory and retire the rocket’s expensive-to-maintain L-1011 carrier aircraft. And third, smaller rockets like Rocket Lab’s Electron or Firefly’s Alpha don’t quite have the performance to place Katalyst’s rescue mission into the required orbit. (submitted by gizmo23)

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Ursa Major rakes in more cash. Aerospace and defense startup Ursa Major Technologies landed a $600 million valuation in a new fundraising round, the latest sign that investors are willing to back companies developing new rocket technology, Bloomberg reports. Colorado-based Ursa Major closed its Series E fundraising round with investments from the venture capital firms Eclipse, Woodline Partners, Principia Growth, XN, and Alsop Louie Partners. The company also secured $50 million in debt financing. Ursa Major is best known as a supplier of liquid-fueled rocket engines and solid rocket motors to power a range of commercial and government vehicles.

Hypersonic tailwinds … Ursa Major says it is positioned to provide the US industrial base with propulsion systems faster and more affordably than legacy contractors can supply. “The company will rapidly field its throttleable, storable, liquid-fueled hypersonic and space-based defense solution, as well as scale its solid rocket motor and sustained space mobility manufacturing capacity,” Ursa Major said in a press release. Its customers include BAE Systems, which will use Ursa Major’s solid rocket motors to power tactical military-grade rockets, and Stratolaunch, which uses Ursa Major’s liquid-fueled Hadley engine for its hypersonic Talon-A spaceplane.

Rocket Lab celebrates two launches in 48 hours. Rocket Lab launched a payload for an undisclosed commercial customer Thursday, just hours after the company announced plans for the launch, Space News reports. The launch from Rocket Lab’s primary spaceport in New Zealand used the company’s Electron rocket, but officials released little more information on the mission, other than its nickname: “Follow My Speed.” An artist’s illustration on the mission patch indicated the payload might have been the next in a line of Earth-imaging satellites from the remote sensing company BlackSky, although the firm’s previous satellites have not launched with such secrecy.

Two hemispheres … Thursday’s launch from the Southern Hemisphere came just two days after Rocket Lab’s previous mission lifted off from Wallops Island, Virginia. That flight was a suborbital launch to support a hypersonic technology demonstration for the Defense Innovation Unit and the Missile Defense Agency. All told, Rocket Lab has now launched 18 Electron rockets this year with 100 percent mission success, a company record.

Spanish startup makes a big reveal. The Spanish company PLD Space released photos of a test version of its Miura 5 rocket Thursday, calling it a “decisive step forward in the orbital launcher validation campaign.” The full-scale qualification unit, called QM1, will allow engineers to complete subsystem testing under “real conditions” to ensure the rocket’s reliability before its first mission scheduled for 2026. The first stage of the qualification unit will undergo a full propellant loading test, while the second stage will undergo a destructive test in the United States to validate the rocket’s range safety destruct system. Miura 5 is designed to deliver a little more than a metric ton (2,200 pounds) of payload to low-Earth orbit.

Still a long way to go … “Presenting our first integrated Miura 5 unit is proof that our model works: vertical integration, proprietary infrastructure and a philosophy based on testing, learning, and improving,” said Raúl Torres, CEO and co-founder of PLD Space. The reveal, however, is just the first step in a qualification campaign that takes more than a year for most rocket companies. PLD Space aims to go much faster, with plans to complete a second qualification rocket by the end of December and unveil its first flight rocket in the first quarter of next year. “This unprecedented development cadence in Europe reinforces PLD Space’s position as the company that has developed an orbital launcher in the shortest time–just two years–whilst meeting the highest quality standards,” the company said in a statement. This would be a remarkable achievement, but history suggests PLD Space has a steep climb in the months ahead. (submitted by Leika and EllPeaTea)

Sweden digs deep in pursuit of sovereign launch. In an unsettled world, many nations are eager to develop homegrown rockets to place their own satellites into orbit. These up-and-coming spacefaring nations see it as a strategic imperative to break free from total reliance on space powers like Russia, China, and the United States. Still, some decisions are puzzling. This week, the Swedish aerospace and defense contractor Saab announced a $10 million investment in a company named Pythom. If you’re not familiar with this business, allow me to link back to a 2022 story published by Ars about Pythom’s questionable safety practices. The company has kept quiet since then, until the name surprisingly popped up again in a press release from Saab, a firm with a reputation that seems to be diametrically opposed to that of Pythom.

Just enough … The statement from Saab suggests its $10 million contribution to Pythom will make it the “lead investor” in the company’s recent funding round. Pythom hasn’t said anything more about this funding round, but Saab said the investment will accelerate Pythom’s “development and deployment of its launch systems,” which include an initial rocket capable of putting up to 330 pounds (150 kilograms) of payload into low-Earth orbit. $10 million may be just enough to keep Pythom afloat for a couple more years but is far less than the money Pythom would need to get serious about fielding an orbital launcher. Pythom is headquartered in California, but it has Swedish roots. It was founded by the Swedish married couple Tina and Tom Sjögren. The company has a couple dozen employees, and a handful of them are based in Sweden, according to Pythom’s website. (submitted by Leika and EllPeaTea)

China is about to launch an astronaut lifeboat. China is set to launch an uncrewed Shenzhou spacecraft to the Tiangong space station to provide the Shenzhou 21 astronauts with a means of returning home, Space News reports. The launch of China’s Shenzhou 22 mission is scheduled for Monday night, US time, aboard a Long March 2F rocket. Instead of carrying astronauts, the ship will ferry cargo to the Chinese Tiangong space station. More importantly, it will provide a safe ride home for the three astronauts living and working aboard the orbiting outpost.

How did we get here? … The Shenzhou 20 spacecraft currently docked to the Tiangong station was damaged by a suspected piece of space junk, cracking its window and rendering it unable to meet China’s safety standards for returning astronauts to Earth. The damage discovery occurred just before three outgoing crew members were supposed to ride Shenzhou 20 home earlier this month. Instead, those three astronauts departed the station and returned to Earth on the newer, undamaged Shenzhou 21 spacecraft. That left the other three crew members on Tiangong with only the damaged Shenzhou 20 spacecraft to get them home in the event of an emergency. Shenzhou 22 will replace Shenzhou 20, providing a lifeboat for the rest of the crew’s six-month stay in space. (submitted by EllPeaTea)

Atlas V launches for Viasat. United Launch Alliance launched its Atlas V rocket on November 13 with a satellite for the California-based communications company Viasat, Spaceflight Now reports. The launch came a week after the mission was scrubbed due to a faulty liquid oxygen tank vent valve on the Atlas booster. ULA rolled the rocket back to the Vertical Integration Facility, replaced it with a new valve, and returned the rocket to the pad on November 12. The launch the following day was successful, with the Atlas V’s Centaur upper stage deploying the ViaSat-3 F2 spacecraft into a geosynchronous transfer orbit nearly three-and-a-half hours after liftoff from Cape Canaveral Space Force Station, Florida.

End of an era … This was the final launch of an Atlas V rocket with a payload heading for geosynchronous orbit. These are the kinds of missions the Atlas V was designed for more than 25 years ago, but the market has changed. All of the Atlas V’s remaining 11 missions will target low-Earth orbit carrying broadband satellites for Amazon or Boeing’s Starliner spacecraft heading for the International Space Station. The Atlas V will be retired in the coming years in favor of ULA’s new Vulcan rocket.

SpaceX launches key climate change monitor. SpaceX launched a joint NASA-European environmental research satellite early Monday, the second in an ongoing billion-dollar project to measure long-term changes in sea level, a key indicator of climate change, CBS News reportsThe first satellite, known as Sentinel-6 and named in honor of NASA climate researcher Michael Freilich, was launched in November 2020. The latest spacecraft, Sentinel-6B, was launched from California atop a Falcon 9 rocket this week. Both satellites are equipped with a sophisticated cloud-penetrating radar. By timing how long it takes beams to bounce back from the ocean 830 miles (1,336 kilometers) below, the Sentinel-6 satellites can track sea levels to an accuracy of about one inch while also measuring wave height and wind speeds. The project builds on earlier missions dating back to the early 1990s that have provided an uninterrupted stream of sea level data.

FAA restrictions lifted … The Federal Aviation Administration lifted a restriction on commercial space operations this week that limited launches and reentries to the late night and early morning hours, Spaceflight Now reports. The FAA imposed a daytime curfew on commercial launches as it struggled to maintain air traffic control during the recent government shutdown. Those restrictions, which did not affect government missions, were lifted Monday. (submitted by EllPeaTea)

Blue Origin’s New Glenn will grow larger. One week after the successful second launch of its large New Glenn booster, Blue Origin revealed a road map on Thursday for upgrades to the rocket, including a new variant with more main engines and a super-heavy lift capability, Ars reports. These upgrades to the rocket are “designed to increase payload performance and launch cadence, while enhancing reliability,” the company said in an update published on its website. The enhancements will be phased in over time, starting with the third launch of New Glenn, which is likely to occur during the first half of 2026.

No timelines The most significant part of the update concerned an evolution of New Glenn that will transform the booster into a super-heavy lift launch vehicle. The first stage of this evolved vehicle will have nine BE-4 engines instead of seven, and the upper stage will have four BE-3U engines instead of two. In its update, Blue Origin refers to the new vehicle as 9×4 and the current variant as 7×2, a reference to the number of engines in each stage. “New Glenn 9×4 is designed for a subset of missions requiring additional capacity and performance,” the company said. “The vehicle carries over 70 metric tons to low-Earth orbit, over 14 metric tons direct to geosynchronous orbit, and over 20 metric tons to trans-lunar injection. Additionally, the 9×4 vehicle will feature a larger 8.7-meter fairing.” The company did not specify a timeline for the debut of the 9×4 variant. A spokesperson for the company told Ars, “We aren’t disclosing a specific timeframe today. The iterative design from our current 7×2 vehicle means we can build this rocket quickly.”

Recently landed New Glenn returns to port. Blue Origin welcomed “Never Tell Me the Odds” back to Cape Canaveral Space Force Station, Florida, on Thursday, where the rocket booster launched exactly one week prior, Florida Today reports. The New Glenn’s first stage booster landed on Blue Origin’s offshore recovery barge, which returned it to Port Canaveral on Tuesday with great fanfare. Blue Origin’s founder, Jeff Bezos, rode the barge into port, posing for photos with the rocket and waving to onlookers viewing the spectacle from a nearby public pier. The rocket was lowered horizontally late Wednesday morning, as spectators watched alongside the restaurants and fishing boats at the port.

Through the gates Officials from Blue Origin guided the 188-foot-long New Glenn booster to the Space Force station Thursday, making Blue Origin the only company besides SpaceX to return a space-flown booster through the gates. Once back at Blue Origin’s hangar, the rocket will undergo inspections and refurbishment for a second flight, perhaps early next year. “I could not be more excited to see the New Glenn launch, and Blue Origin recover that booster and bring it back,” Col. Brian Chatman, commander of Space Launch Delta 45, told Florida Today. “It’s all part of our certification process and campaign to certify more national security space launch providers, launch carriers, to get our most crucial satellites up on orbit.”

Meanwhile, down at Starbase. SpaceX rolled the first of its third-generation Super Heavy boosters out of the factory at Starbase, Texas, this week for a road trip to a nearby test site, according to NASASpaceflight.com. The booster rode SpaceX’s transporter from the factory a few miles down the road to Massey’s Test Site, where technicians prepared the rocket for cryogenic proof testing. However, during the initial phases of testing, the booster failed early on Friday morning.

Tumbling down … At the Starship launch site, ground teams are busy tearing down the launch mount at Pad 1, the departure point for all of SpaceX’s Starships to date. SpaceX will upgrade the pad for its next-generation, more powerful Super Heavy boosters, while Starship V3’s initial flights will take off from Pad 2, a few hundred meters away from Pad 1.

Next three launches

Nov. 22: Falcon 9 | Starlink 6-79 | Cape Canaveral Space Force Station, Florida | 06: 59 UTC

Nov. 23: Falcon 9 | Starlink 11-30 | Vandenberg Space Force Base, California | 08: 00 UTC

Nov. 25: Long March 2F | Shenzhou 22 | Jiuquan Satellite Launch Center, China | 04: 11 UTC

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

Rocket Report: SpaceX’s next-gen booster fails; Pegasus will fly again Read More »

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The twin probes just launched toward Mars have an Easter egg on board

The mission aims to aid our understanding of Mars’ climate history and what was behind the loss of its conditions that once supported liquid water, potential oceans, and possibly life on the surface.

Plaques and partner patches

In addition to the kiwi-adorned plates, Rocket Lab also installed two more plaques on the twin ESCAPADE spacecraft.

“There are also two name plates (one in blue and one in gold) on each spacecraft listing Rocket Lab team members who’ve contributed to the mission, making it possible to get to Mars,” said McLaurin.

Mounted on the solar panels, the plaques use shading to also display the Latin initials (NSHO) of the Rocket Lab motto and form the company’s logo. Despite their diminutive size, each plate appears to include more than 200 names, including founder, president, and CEO Peter Beck.

Montage of photos and graphics illustrating the blue and gold metal plates attached a spacecraft

Additional plates in blue and gold display the names of the Rocket Lab team members behind the ESCAPADE spacecraft. Credit: UCB-SSL via collectSPACE.com

UC Berkeley adopted its colors in 1873. According to the school’s website, “blue for the California sky and ocean and for the Yale graduates who helped establish the university, gold for the ‘Golden State.’”

ESCAPADE also has its own set of colors, or rather, colorful patches.

The main mission logo depicts the twin spacecraft in orbit around Mars with the names of the primary partners listed along its border, including UCB-SSL (University of California, Berkeley-Space Science Laboratory); RL (Rocket Lab); ERAU (Embry-Riddle Aeronautical University, which designed and built the langmuir probe, one of the mission’s science instruments); AdvSp (Advanced Space, which oversaw mission design and trajectory optimization); and NASA-GSFC (NASA Goddard Space Flight Center).

Rocket Lab also designed an insignia, which renders the two spacecraft in blue and gold, as well as shows their trajectory in the same colors and includes the company’s motto.

Lastly, Blue Origin’s New Glenn-2 (NG-2) patch features the launch vehicle and the two ESCAPADE satellites, using hues of orange to represent Mars.

Graphic montage of mission patches

Three mission patches represent the Mars ESCAPADE mission and its partners. Credit: NASA/Rocket Lab/Blue Origin/collectSPACE.com

The twin probes just launched toward Mars have an Easter egg on board Read More »

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Blue Origin’s New Glenn rocket came back home after taking aim at Mars


“Never before in history has a booster this large nailed the landing on the second try.”

Blue Origin’s 320-foot-tall (98-meter) New Glenn rocket lifts off from Cape Canaveral Space Force Station, Florida. Credit: Blue Origin

The rocket company founded a quarter-century ago by billionaire Jeff Bezos made history Thursday with the pinpoint landing of an 18-story-tall rocket on a floating platform in the Atlantic Ocean.

The on-target touchdown came nine minutes after the New Glenn rocket, built and operated by Bezos’ company Blue Origin, lifted off from Cape Canaveral Space Force Station, Florida, at 3: 55 pm EST (20: 55 UTC). The launch was delayed from Sunday, first due to poor weather at the launch site in Florida, then by a solar storm that sent hazardous radiation toward Earth earlier this week.

“We achieved full mission success today, and I am so proud of the team,” said Dave Limp, CEO of Blue Origin. “It turns out Never Tell Me The Odds (Blue Origin’s nickname for the first stage) had perfect odds—never before in history has a booster this large nailed the landing on the second try. This is just the beginning as we rapidly scale our flight cadence and continue delivering for our customers.”

The two-stage launcher set off for space carrying two NASA science probes on a two-year journey to Mars, marking the first time any operational satellites flew on Blue Origin’s new rocket, named for the late NASA astronaut John Glenn. The New Glenn hit its marks on the climb into space, firing seven BE-4 main engines for nearly three minutes on a smooth ascent through blue skies over Florida’s Space Coast.

Seven BE-4 engines power New Glenn downrange from Florida’s Space Coast. Credit: Blue Origin

The engines consumed super-cold liquified natural gas and liquid oxygen, producing more than 3.8 million pounds of thrust at full power. The BE-4s shut down, and the first stage booster released the rocket’s second stage, with dual hydrogen-fueled BE-3U engines, to continue the mission into orbit.

The booster soared to an altitude of 79 miles (127 kilometers), then began a controlled plunge back into the atmosphere, targeting a landing on Blue Origin’s offshore recovery vessel named Jacklyn. Moments later, three of the booster’s engines reignited to slow its descent in the upper atmosphere. Then, moments before reaching the Atlantic, the rocket again lit three engines and extended its landing gear, sinking through low-level clouds before settling onto the football field-size deck of Blue Origin’s recovery platform 375 miles (600 kilometers) east of Cape Canaveral.

A pivotal moment

The moment of touchdown appeared electric at several Blue Origin facilities around the country, which had live views of cheering employees piped in to the company’s webcast of the flight. This was the first time any company besides SpaceX has propulsively landed an orbital-class rocket booster, coming nearly 10 years after SpaceX recovered its first Falcon 9 booster intact in December 2015.

Blue Origin’s New Glenn landing also came almost exactly a decade after the company landed its smaller suborbital New Shepard rocket for the first time in West Texas. Just like Thursday’s New Glenn landing, Blue Origin successfully recovered the New Shepard on its second-ever attempt.

Blue Origin’s heavy-lifter launched successfully for the first time in January. But technical problems prevented the booster from restarting its engines on descent, and the first stage crashed at sea. Engineers made “propellant management and engine bleed control improvements” to resolve the problems, and the fixes appeared to work Thursday.

The rocket recovery is a remarkable achievement for Blue Origin, which has long lagged dominant SpaceX in the commercial launch business. SpaceX has now logged 532 landings with its Falcon booster fleet. Now, with just a single recovery in the books, Blue Origin sits at second in the rankings for propulsive landings of orbit-class boosters. Bezos’ company has amassed 34 landings of the suborbital New Shepard model, which lacks the size and doesn’t reach the altitude and speed of the New Glenn booster.

Blue Origin landed a New Shepard returning from space for the first time in November 2015, a few weeks before SpaceX first recovered a Falcon 9 booster. Bezos threw shade on SpaceX with a post on Twitter, now called X, after the first Falcon 9 landing: “Welcome to the club!”

Jeff Bezos, Blue Origin’s founder and owner, wrote this message on Twitter following SpaceX’s first Falcon 9 landing on December 21, 2015. Credit: X/Jeff Bezos

Finally, after Thursday, Blue Origin officials can say they are part of the same reusable rocket club as SpaceX. Within a few days, Blue Origin’s recovery vessel is expected to return to Port Canaveral, Florida, where ground crews will offload the New Glenn booster and move it to a hangar for inspections and refurbishment.

“Today was a tremendous achievement for the New Glenn team, opening a new era for Blue Origin and the industry as we look to launch, land, repeat, again and again,” said Jordan Charles, the company’s vice president for the New Glenn program, in a statement. “We’ve made significant progress on manufacturing at rate and building ahead of need. Our primary focus remains focused on increasing our cadence and working through our manifest.”

Blue Origin plans to reuse the same booster next year for the first launch of the company’s Blue Moon Mark 1 lunar cargo lander. This mission is currently penciled in to be next on Blue Origin’s New Glenn launch schedule. Eventually, the company plans to have a fleet of reusable boosters, like SpaceX has with the Falcon 9, that can each be flown up to 25 times.

New Glenn is a core element in Blue Origin’s architecture for NASA’s Artemis lunar program. The rocket will eventually launch human-rated lunar landers to the Moon to provide astronauts with rides to and from the surface of the Moon.

The US Space Force will also examine the results of Thursday’s launch to assess New Glenn’s readiness to begin launching military satellites. The military selected Blue Origin last year to join SpaceX and United Launch Alliance as a third launch provider for the Defense Department.

Blue Origin’s New Glenn booster, 23 feet (7 meters) in diameter, on the deck of the company’s landing platform in the Atlantic Ocean.

Slow train to Mars

The mission wasn’t over with the buoyant landing in the Atlantic. New Glenn’s second stage fired its engines twice to propel itself on a course toward deep space, setting up for deployment of NASA’s two ESCAPADE satellites a little more than a half-hour after liftoff.

The identical satellites were released from their mounts on top of the rocket to begin their nearly two-year journey to Mars, where they will enter orbit to survey how the solar wind interacts with the rarefied uppermost layers of the red planet’s atmosphere. Scientists believe radiation from the Sun gradually stripped away Mars’ atmosphere, driving runaway climate change that transitioned the planet from a warm, habitable world to the global inhospitable desert seen today.

“I’m both elated and relieved to see NASA’s ESCAPADE spacecraft healthy post-launch and looking forward to the next chapter of their journey to help us understand Mars’ dynamic space weather environment,” said Rob Lillis, the mission’s principal investigator from the University of California, Berkeley.

Scientists want to understand the environment at the top of the Martian atmosphere to learn more about what drove this change. With two instrumented spacecraft, ESCAPADE will gather data from different locations around Mars, providing a series of multipoint snapshots of solar wind and atmospheric conditions. Another NASA spacecraft, named MAVEN, has collected similar data since arriving in orbit around Mars in 2014, but it is only a single observation post.

ESCAPADE, short for Escape and Plasma Acceleration and Dynamics Explorers, was developed and launched on a budget of about $80 million, a bargain compared to all of NASA’s recent Mars missions. The spacecraft were built by Rocket Lab, and the project is managed on behalf of NASA by the University of California, Berkeley.

The two spacecraft for NASA’s ESCAPADE mission at Rocket Lab’s factory in Long Beach, California. Credit: Rocket Lab

NASA paid Blue Origin about $20 million for the launch of ESCAPADE, significantly less than it would have cost to launch it on any other dedicated rocket. The space agency accepted the risk of launching on the relatively unproven New Glenn rocket, which hasn’t yet been certified by NASA or the Space Force for the government’s marquee space missions.

The mission was supposed to launch last year, when Earth and Mars were in the right positions to enable a direct trip between the planets. But Blue Origin delayed the launch, forcing a yearlong wait until the company’s second New Glenn was ready to fly. Now, the ESCAPADE satellites, each about a half-ton in mass fully fueled, will loiter in a unique orbit more than a million miles from Earth until next November, when they will set off for the red planet. ESCAPADE will arrive at Mars in September 2027 and begin its science mission in 2028.

Rocket Lab ground controllers established communication with the ESCAPADE satellites late Thursday night.

“The ESCAPADE mission is part of our strategy to understand Mars’ past and present so we can send the first astronauts there safely,” said Nicky Fox, associate administrator of NASA’s Science Mission Directorate. “Understanding Martian space weather is a top priority for future missions because it helps us protect systems, robots, and most importantly, humans, in extreme environments.”

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

Blue Origin’s New Glenn rocket came back home after taking aim at Mars Read More »

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Neutron rocket’s debut slips into mid-2026 as company seeks success from the start

During an earnings call on Monday, Rocket Lab chief executive Peter Beck announced that the company’s medium-lift launch vehicle, Neutron, would not launch this year.

For anyone with the slightest understanding of the challenges involved in bringing a new rocket to the launch pad, as well as a calendar, the delay does not come as a surprise. Although Rocket Lab had been holding onto the possibility of launching Neutron this year publicly, it has been clear for months that a slip into 2026 was inevitable.

According to Beck, speaking during a third-quarter 2025 earnings call, the new timeline has the company bringing Neutron to Launch Complex 2 at Wallops Flight Facility in Virginia during the first quarter of next year. The first launch is scheduled to occur “thereafter,” according to the company’s plans.

The Rocket Lab way

As part of his remarks, Beck said Rocket Lab would not be rushed by an arbitrary deadline.

“We’ve seen what happens when others rush to the pad with an unproven product, and we just refused to do that,” he said, referring to other commercial launch companies that have not had success with their first launches. “Our aim is to make it to orbit on the first try. You won’t see us using some qualifier about us just clearing the pad, and claiming success and whatnot, and that means that we don’t want to learn something during Neutron’s first flight that could be learned on the ground during the testing phase.”

Through the development of the smaller Electron rocket as well as various satellites and in-space vehicles, Rocket Lab has followed and honed a process that breeds success in flight, Beck said. Right now, Rocket Lab is in a “meaty” testing process when components of the vehicle are being assembled for the first time, Beck added.

Rocket Lab has reached the “meaty” part of the testing process.

Credit: Rocket Lab

Rocket Lab has reached the “meaty” part of the testing process. Credit: Rocket Lab

“This is a time when you find out on the ground what you got right, and what you got wrong, rather than finding out that during first launch,” he said. “Now at Rocket Lab, we have a proven process for delivering and developing complex space flight hardware, and I think that process speaks for itself with respect to our hardware, always looking beautiful, and, more importantly, always working beautifully. Now, our process is meticulous, but it works.”

Neutron rocket’s debut slips into mid-2026 as company seeks success from the start Read More »

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Here’s how orbital dynamics wizardry helped save NASA’s next Mars mission


Blue Origin is counting down to launch of its second New Glenn rocket Sunday.

The New Glenn rocket rolls to Launch Complex-36 in preparation for liftoff this weekend. Credit: Blue Origin

CAPE CANAVERAL, FloridaThe field of astrodynamics isn’t a magical discipline, but sometimes it seems trajectory analysts can pull a solution out of a hat.

That’s what it took to save NASA’s ESCAPADE mission from a lengthy delay, and possible cancellation, after its rocket wasn’t ready to send it toward Mars during its appointed launch window last year. ESCAPADE, short for Escape and Plasma Acceleration and Dynamics Explorers, consists of two identical spacecraft setting off for the red planet as soon as Sunday with a launch aboard Blue Origin’s massive New Glenn rocket.

“ESCAPADE is pursuing a very unusual trajectory in getting to Mars,” said Rob Lillis, the mission’s principal investigator from the University of California, Berkeley. “We’re launching outside the typical Hohmann transfer windows, which occur every 25 or 26 months. We are using a very flexible mission design approach where we go into a loiter orbit around Earth in order to sort of wait until Earth and Mars are lined up correctly in November of next year to go to Mars.”

This wasn’t the original plan. When it was first designed, ESCAPADE was supposed to take a direct course from Earth to Mars, a transit that typically takes six to nine months. But ESCAPADE will now depart the Earth when Mars is more than 220 million miles away, on the opposite side of the Solar System.

The payload fairing of Blue Origin’s New Glenn rocket, containing NASA’s two Mars-bound science probes. Credit: Blue Origin

The most recent Mars launch window was last year, and the next one doesn’t come until the end of 2026. The planets are not currently in alignment, and the proverbial stars didn’t align to get the ESCAPADE satellites and their New Glenn rocket to the launch pad until this weekend.

This is fine

But there are several reasons this is perfectly OK to NASA. The New Glenn rocket is overkill for this mission. The two-stage launcher could send many tons of cargo to Mars, but NASA is only asking it to dispatch about a ton of payload, comprising a pair of identical science probes designed to study how the planet’s upper atmosphere interacts with the solar wind.

But NASA got a good deal from Blue Origin. The space agency is paying Jeff Bezos’ space company about $20 million for the launch, less than it would for a dedicated launch on any other rocket capable of sending the ESCAPADE mission to Mars. In exchange, NASA is accepting a greater than usual chance of a launch failure. This is, after all, just the second flight of the 321-foot-tall (98-meter) New Glenn rocket, which hasn’t yet been certified by NASA or the US Space Force.

The ESCAPADE mission, itself, was developed with a modest budget, at least by the standards of interplanetary exploration. The mission’s total cost amounts to less than $80 million, an order of magnitude lower than all of NASA’s recent Mars missions. NASA officials would not entrust the second flight of the New Glenn rocket to launch a billion-dollar spacecraft, but the risk calculation changes as costs go down.

NASA knew all of this in 2023 when it signed a launch contract with Blue Origin for the ESCAPADE mission. What officials didn’t know was that the New Glenn rocket wouldn’t be ready to fly when ESCAPADE needed to launch in late 2024. It turned out Blue Origin didn’t launch the first New Glenn test flight until January of this year. It was a success. It took another 10 months for engineers to get the second New Glenn vehicle to the launch pad.

The twin ESCAPADE spacecraft undergoing final preparations for launch. Each spacecraft is about a half-ton fully fueled. Credit: NASA/Kim Shiflett

Aiming high

That’s where the rocket sits this weekend at Cape Canaveral Space Force Station, Florida. If all goes according to plan, New Glenn will take off Sunday afternoon during an 88-minute launch window opening at 2: 45 pm EST (19: 45 UTC). There is a 65 percent chance of favorable weather, according to Blue Origin.

Blue Origin’s launch team, led by launch director Megan Lewis, will oversee the countdown Sunday. The rocket will be filled with super-cold liquid methane and liquid oxygen propellants beginning about four-and-a-half hours prior to liftoff. After some final technical and weather checks, the terminal countdown sequence will commence at T-minus 4 minutes, culminating in ignition of the rocket’s seven BE-4 main engines at T-minus 5.6 seconds.

The rocket’s flight computer will assess the health of each of the powerful engines, combining to generate more than 3.8 million pounds of thrust. If all looks good, hold-down restraints will release to allow the New Glenn rocket to begin its ascent from Florida’s Space Coast.

Heading east, the rocket will surpass the speed of sound in a little over a minute. After soaring through the stratosphere, New Glenn will shut down its seven booster engines and shed its first stage a little more than 3 minutes into the flight. Twin BE-3U engines, burning liquid hydrogen, will ignite to finish the job of sending the ESCAPADE satellites toward deep space. The rocket’s trajectory will send the satellites toward a gravitationally-stable location beyond the Moon, called the L2 Lagrange point, where it will swing into a loosely-bound loiter orbit to wait for the right time to head for Mars.

Meanwhile, the New Glenn booster, itself measuring nearly 20 stories tall, will begin maneuvers to head toward Blue Origin’s recovery ship floating a few hundred miles downrange in the Atlantic Ocean. The final part of the descent will include a landing burn using three of the BE-4 engines, then downshifting to a single engine to control the booster’s touchdown on the landing platform, dubbed “Jacklyn” in honor of Bezos’ late mother.

The launch timeline for New Glenn’s second mission. Credit: Blue Origin

New Glenn’s inaugural launch at the start of this year was a success, but the booster’s descent did not go well. The rocket was unable to restart its engines, and it crashed into the sea.

“We’ve incorporated a number of changes to our propellant management system, some minor hardware changes as well, to increase our likelihood of landing that booster on this mission,” said Laura Maginnis, Blue Origin’s vice president of New Glenn mission management. “That was the primary schedule driver that kind of took us from from January to where we are today.”

Blue Origin officials are hopeful they can land the booster this time. The company’s optimism is enough for officials to have penciled in a reflight of this particular booster on the very next New Glenn launch, slated for the early months of next year. That launch is due to send Blue Origin’s first Blue Moon cargo lander to the Moon.

“Our No. 1 objective is to deliver ESCAPADE safely and successfully on its way to L2, and then eventually on to Mars,” Maginnis said in a press conference Saturday. “We also are planning and wanting to land our booster. If we don’t land the booster, that’s OK. We have several more vehicles in production. We’re excited to see how the mission plays out tomorrow.”

Tracing a kidney bean

ESCAPADE’s path through space, relative to the Earth, has the peculiar shape of a kidney bean. In the world of astrodynamics, this is called a staging or libration orbit. It’s a way to keep the spacecraft on a stable trajectory to wait for the opportunity to go to Mars late next year.

“ESCAPADE has identified that this is the way that we want to fly, so we launch from Earth onto this kidney bean-shaped orbit,” said Jeff Parker, a mission designer from the Colorado-based company Advanced Space. “So, we can launch on virtually any day. What happens is that kidney bean just grows and shrinks based on how much time you need to spend in that orbit. So, we traverse that kidney been and at the very end there’s a final little loop-the-loop that brings us down to Earth.”

That’s when the two ESCAPADE spacecraft, known as Blue and Gold, will pass a few hundred miles above our planet. At the right moment, on November 7 and 9 of next year, the satellites will fire their engines to set off for Mars.

An illustration of ESCAPADE’s trajectory to wait for the opportunity to go to Mars. Credit: UC-Berkeley

There are some tradeoffs with this unique staging orbit. It is riskier than the original plan of sending ESCAPADE straight to Mars. The satellites will be exposed to more radiation, and will consume more of their fuel just to get to the red planet, eating into reserves originally set aside for science observations.

The satellites were built by Rocket Lab, which designed them with extra propulsion capacity in order to accommodate launches on a variety of different rockets. In the end, NASA “judged that the risk for the mission was acceptable, but it certainly is higher risk,” said Richard French, Rocket Lab’s vice president of business development and strategy.

The upside of the tradeoff is it will demonstrate an “exciting and flexible way to get to Mars,” Lillis said. “In the future, if we’d like to send hundreds of spacecraft to Mars at once, it will be difficult to do that from just the launch pads we have on Earth within that month [of the interplanetary launch window]. We could potentially queue up spacecraft using the approach that ESCAPADE is pioneering.”

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

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Rocket Report: Channeling the future at Wallops; SpaceX recovers rocket wreckage


China’s Space Pioneer seems to be back on track a year after an accidental launch.

A SpaceX Falcon 9 rocket carrying a payload of 24 Starlink Internet satellites soars into space after launching from Vandenberg Space Force Base, California, shortly after sunset on July 18, 2025. This image was taken in Santee, California, approximately 250 miles (400 kilometers) away from the launch site. Credit: Kevin Carter/Getty Images

Welcome to Edition 8.04 of the Rocket Report! The Pentagon’s Golden Dome missile defense shield will be a lot of things. Along with new sensors, command and control systems, and satellites, Golden Dome will require a lot of rockets. The pieces of the Golden Dome architecture operating in orbit will ride to space on commercial launch vehicles. And Golden Dome’s space-based interceptors will essentially be designed as flying fuel tanks with rocket engines. This shouldn’t be overlooked, and that’s why we include a couple of entries discussing Golden Dome in this week’s Rocket Report.

As always, we welcome reader submissions. If you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets, as well as a quick look ahead at the next three launches on the calendar.

Space-based interceptors are a real challenge. The newly installed head of the Pentagon’s Golden Dome missile defense shield knows the clock is ticking to show President Donald Trump some results before the end of his term in the White House, Ars reports. Gen. Michael Guetlein identified command-and-control and the development of space-based interceptors as two of the most pressing technical challenges for Golden Dome. He believes the command-and-control problem can be “overcome in pretty short order.” The space-based interceptor piece of the architecture is a different story.

Proven physics, unproven economics … “I think the real technical challenge will be building the space-based interceptor,” Guetlein said. “That technology exists. I believe we have proven every element of the physics that we can make it work. What we have not proven is, first, can I do it economically, and then second, can I do it at scale? Can I build enough satellites to get after the threat? Can I expand the industrial base fast enough to build those satellites? Do I have enough raw materials, etc.?” Military officials haven’t said how many space-based interceptors will be required for Golden Dome, but outside estimates put the number in the thousands.

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One big defense prime is posturing for Golden Dome. Northrop Grumman is conducting ground-based testing related to space-based interceptors as part of a competition for that segment of the Trump administration’s Golden Dome missile-defense initiative, The War Zone reports. Kathy Warden, Northrop Grumman’s CEO, highlighted the company’s work on space-based interceptors, as well as broader business opportunities stemming from Golden Dome, during a quarterly earnings call this week. Warden identified Northrop’s work in radars, drones, and command-and-control systems as potentially applicable to Golden Dome.

But here’s the real news … “It will also include new innovation, like space-based interceptors, which we’re testing now,” Warden continued. “These are ground-based tests today, and we are in competition, obviously, so not a lot of detail that I can provide here.” Warden declined to respond directly to a question about how the space-based interceptors Northrop Grumman is developing now will actually defeat their targets. (submitted by Biokleen)

Trump may slash environmental rules for rocket launches. The Trump administration is considering slashing rules meant to protect the environment and the public during commercial rocket launches, changes that companies like Elon Musk’s SpaceX have long sought, ProPublica reports. A draft executive order being circulated among federal agencies, and viewed by ProPublica, directs Secretary of Transportation Sean Duffy to “use all available authorities to eliminate or expedite” environmental reviews for launch licenses. It could also, in time, require states to allow more launches or even more launch sites along their coastlines.

Getting political at the FAA … The order is a step toward the rollback of federal oversight that Musk, who has fought bitterly with the Federal Aviation Administration over his space operations, and others have pushed for. Commercial rocket launches have grown exponentially more frequent in recent years. In addition to slashing environmental rules, the draft executive order would make the head of the FAA’s Office of Commercial Space Transportation a political appointee. This is currently a civil servant position, but the last head of the office took a voluntary separation offer earlier this year.

There’s a SPAC for that. An unproven small launch startup is partnering with a severely depleted SPAC trust to do the impossible: go public in a deal they say will be valued at $400 million, TechCrunch reports. Innovative Rocket Technologies Inc., or iRocket, is set to merge with a Special Purpose Acquisition Company, or SPAC, founded by former Commerce Secretary Wilbur Ross. But the most recent regulatory filings by this SPAC showed it was in a tenuous financial position last year, with just $1.6 million held in trust. Likewise, iRocket isn’t flooded with cash. The company has raised only a few million in venture funding, a fraction of what would be needed to develop and test the company’s small orbital-class rocket, named Shockwave.

SpaceX traces a path to orbit for NASA. Two NASA satellites soared into orbit from California aboard a SpaceX Falcon 9 rocket Wednesday, commencing a $170 million mission to study a phenomenon of space physics that has eluded researchers since the dawn of the Space Age, Ars reports. The twin spacecraft are part of the NASA-funded TRACERS mission, which will spend at least a year measuring plasma conditions in narrow regions of Earth’s magnetic field known as polar cusps. As the name suggests, these regions are located over the poles. They play an important but poorly understood role in creating colorful auroras as plasma streaming out from the Sun interacts with the magnetic field surrounding Earth. The same process drives geomagnetic storms capable of disrupting GPS navigation, radio communications, electrical grids, and satellite operations.

Plenty of room for more … The TRACERS satellites are relatively small, each about the size of a washing machine, so they filled only a fraction of the capacity of SpaceX’s Falcon 9 rocket. Three other small NASA tech demo payloads hitched a ride to orbit with TRACERS, kicking off missions to test an experimental communications terminal, demonstrate an innovative scalable satellite platform made of individual building blocks, and study the link between Earth’s atmosphere and the Van Allen radiation belts. In addition to those missions, the European Space Agency launched its own CubeSat to test 5G communications from orbit. Five smallsats from an Australian company rounded out the group. Still, the Falcon 9 rocket’s payload shroud was filled with less than a quarter of the payload mass it could have delivered to the TRACERS mission’s targeted Sun-synchronous orbit.

Tianlong launch pad ready for action. Chinese startup Space Pioneer has completed a launch pad at Jiuquan spaceport in northwestern China for its Tianlong 3 liquid propellent rocket ahead of a first orbital launch, Space News reports. Space Pioneer said the launch pad passed an acceptance test, and ground crews raised a full-scale model of the Tianlong 3 rocket on the launch pad. “The rehearsal test was successfully completed,” said Space Pioneer, one of China’s leading private launch companies. The activation of the launch pad followed a couple of weeks after Space Pioneer announced the completion of static loads testing on Tianlong 3.

More to come … While this is an important step forward for Space Pioneer, construction of the launch pad is just one element the company needs to finish before Tianlong 3 can lift off for the first time. In June 2024, the company ignited Tianlong 3’s nine-engine first stage on a test stand in China. But the rocket broke free of its moorings on the test stand and unexpectedly climbed into the sky before crashing in a fireball nearby. Space Pioneer says the “weak design of the rocket’s tail structure was the direct cause of the failure” last year. The company hasn’t identified next steps for Tianlong 3, or when it might be ready to fly. Tianlong 3 is a kerosene-fueled rocket with nine main engines, similar in design architecture and payload capacity to SpaceX’s Falcon 9. Also, like Falcon 9, Tianlong 3 is supposed to have a recoverable and reusable first stage booster.

Dredging up an issue at Wallops. Rocket Lab has asked regulators for permission to transport oversized Neutron rocket structures through shallow waters to a spaceport off the coast of Virginia as it races to meet a September delivery deadline, TechCrunch reports. The request, which was made in July, is a temporary stopgap while the company awaits federal clearance to dredge a permanent channel to the Wallops Island site. Rocket Lab plans to launch its Neutron medium-lift rocket from the Mid-Atlantic Regional Spaceport (MARS) on Wallops Island, Virginia, a lower-traffic spaceport that’s surrounded by shallow channels and waterways. Rocket Lab has a sizable checklist to tick off before Neutron can make its orbital debut, like mating the rocket stages, performing a “wet dress” rehearsal, and getting its launch license from the Federal Aviation Administration. Before any of that can happen, the rocket hardware needs to make it onto the island from Rocket Lab’s factory on the nearby mainland.

Kedging bets … Access to the channel leading to Wallops Island is currently available only at low tides. So, Rocket Lab submitted an application earlier this year to dredge the channel. The dredging project was approved by the Virginia Marine Resources Commission in May, but the company has yet to start digging because it’s still awaiting federal sign-off from the Army Corps of Engineers. As the company waits for federal approval, Rocket Lab is seeking permission to use a temporary method called “kedging” to ensure the first five hardware deliveries can arrive on schedule starting in September. We don’t cover maritime issues in the Rocket Report, but if you’re interested in learning a little about kedging, here’s a link.

Any better ideas for an Exploration Upper Stage? Not surprisingly, Congress is pushing back against the Trump administration’s proposal to cancel the Space Launch System, the behemoth rocket NASA has developed to propel astronauts back to the Moon. But legislation making its way through the House of Representatives includes an interesting provision that would direct NASA to evaluate alternatives for the Boeing-built Exploration Upper Stage, an upgrade for the SLS rocket set to debut on its fourth flight, Ars reports. Essentially, the House Appropriations Committee is telling NASA to look for cheaper, faster options for a new SLS upper stage.

CYA EUS? The four-engine Exploration Upper Stage, or EUS, is an expensive undertaking. Last year, NASA’s inspector general reported that the new upper stage’s development costs had ballooned from $962 million to $2.8 billion, and the project had been delayed more than six years. That’s almost a year-for-year delay since NASA and Boeing started development of the EUS. So, what are the options if NASA went with a new upper stage for the SLS rocket? One possibility is a modified version of United Launch Alliance’s dual-engine Centaur V upper stage that flies on the Vulcan rocket. It’s no longer possible to keep flying the SLS rocket’s existing single-engine upper stage because ULA has shut down the production line for it.

Raising Super Heavy from the deep. For the second time, SpaceX has retrieved an engine section from one of its Super Heavy boosters from the Gulf of Mexico, NASASpaceflight.com reports. Images posted on social media showed the tail end of a Super Heavy booster being raised from the sea off the coast of northern Mexico. Most of the rocket’s 33 Raptor engines appear to still be attached to the lower section of the stainless steel booster. Online sleuths who closely track SpaceX’s activities at Starbase, Texas, have concluded the rocket recovered from the Gulf is Booster 13, which flew on the sixth test flight of the Starship mega-rocket last November. The booster ditched in the ocean after aborting an attempted catch back at the launch pad in South Texas.

But why? … SpaceX recovered the engine section of a different Super Heavy booster from the Gulf last year. The company’s motivation for salvaging the wreckage is unclear. “Speculated reasons include engineering research, environmental mitigation, or even historical preservation,” NASASpaceflight reports.

Next three launches

July 26: Vega C | CO3D & MicroCarb | Guiana Space Center, French Guiana | 02: 03 UTC

July 26: Falcon 9 | Starlink 10-26 | Cape Canaveral Space Force Station, Florida | 08: 34 UTC

July 27: Falcon 9 | Starlink 17-2 | Vandenberg Space Force Base, California | 03: 55 UTC

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

Rocket Report: Channeling the future at Wallops; SpaceX recovers rocket wreckage Read More »

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Rocket Report: Rocket Lab to demo cargo delivery; America’s new ICBM in trouble


SpaceX’s plan to turn Starbase into Texas’ newest city won the approval of voters—err, employees.

A decommissioned Titan II intercontinental ballistic missile inside a silo at a museum in Green Valley, Arizona.

Welcome to Edition 7.43 of the Rocket Report! There’s been a lot of recent news in hypersonic testing. We cover some of that in this week’s newsletter, which is just a taste of the US military’s appetite for fielding its own hypersonic weapons, and conversely, the Pentagon’s emphasis on the detection and destruction of an enemy’s hypersonic missiles. China has already declared its first hypersonic weapons operational, and Russia claims to have them, too. Now, the Pentagon is finally close to placing hypersonic missiles with combat units. Many US rocket companies believe the hypersonics sector is a lucrative business. Some companies have enough confidence in this emerging market—or lack of faith in the traditional space launch market—to pivot entirely toward hypersonics. I’m interested in seeing if their bets pay off.

As always, we welcome reader submissions. If you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets, as well as a quick look ahead at the next three launches on the calendar.

Stratolaunch tests reusable hypersonic rocket plane. Stratolaunch has finally found a use for the world’s largest airplane. Twice in the last five months, the company launched a hypersonic vehicle over the Pacific Ocean, accelerated it to more than five times the speed of sound, and autonomously landed at Vandenberg Space Force Base in California, Ars reports. Stratolaunch used the same Talon-A vehicle for both flights, demonstrating its reusability, a characteristic that sets it apart from competitors. Zachary Krevor, Stratolaunch’s president and CEO, said his team aims to ramp up to monthly flights by the end of the year.

A 21st century X-15 … This is the first time anyone in the United States has flown a reusable hypersonic rocket plane since the last flight of the X-15, the iconic rocket-powered aircraft that pushed the envelope of high-altitude, high-speed flight 60 years ago. Like the Talon-A, the X-15 released from a carrier jet and ignited a rocket engine to soar into the uppermost layers of the atmosphere. But the X-15 had a pilot in command, while the Talon-A flies on autopilot. Stratolaunch is one of several companies participating in a US military program to test parts and technologies for use on future hypersonic weapons. “Why the autonomous flight matters is because hypersonic systems are now pushing the envelope in terms of maneuvering capability, maneuvering beyond what can be done by the human body,” Krevor said.

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New details about another recent hypersonic test. A hypersonic missile test on April 25 validated the launch mechanism for the US Navy Conventional Prompt Strike (CPS) weapon program, the Defense Department said on May 2. The CPS missile, the Navy’s name for what the US Army calls the Long Range Hypersonic Weapon (LRHW), launched from Cape Canaveral Space Force Station, Florida, Aviation Week & Space Technology reports. While the Army and Navy versions use the same hypersonic glide vehicle and missile, they use different launch mechanisms. Last year, the Army tested its version of the hypersonic missile launcher. Now, the Navy has validated the cold-gas launch mechanism it will install on guided missile destroyers.

Deploying soon … “The cold-gas approach allows the Navy to eject the missile from the platform and achieve a safe distance above the ship prior to first stage ignition,” said Vice Adm Johnny R. Wolfe Jr., director of the Navy’s Strategic Systems Programs, which is the lead designer of the common hypersonic missile. The Army plans to field its Long Range Hypersonic Weaponalso called “Dark Eagle”with a combat unit later this year, while the Navy’s version won’t be ready for testing at sea until 2027 or 2028. Both missiles are designed for conventional (non-nuclear) strikes. The Army’s Dark Eagle will be the US military’s first operational hypersonic weapon.

Sentinel needs new silos. The Air Force will have to dig entirely new nuclear missile silos for the LGM-35A Sentinel, creating another complication for a troubled program that is already facing future cost and schedule overruns, Defense News reports. The Air Force originally hoped the existing silos that have housed Minuteman III intercontinental ballistic missiles could be adapted to launch Sentinel missiles, which would be more efficient than digging entirely new silos. But a test project at Vandenberg Space Force Base in California showed that approach would be fraught with further problems and cause the program to run even further behind and over budget, the service said.

Rising costs … Sentinel, developed by Northrop Grumman, will replace the Air Force’s fleet of Minuteman III ICBMs, which entered service in 1970, as the land-based leg of the military’s nuclear triad. Sentinel was originally expected to cost $77.7 billion, but projected future costs ran so severely over budget that in January 2024, the program triggered a review process known as a critical Nunn-McCurdy breach. After that review, the Pentagon last year concluded Sentinel was too critical to national security to abandon, but ordered the Air Force to restructure it to bring its costs under control. Additional studies of the program are highlighting more potential problems.

Gilmour says it (hopefully) will wait no more. The Australian launch startup Gilmour Space Technologies has been given approval by Australia’s Civil Aviation Safety Authority for the debut launch of its Eris orbital rocket, InnovationAus.com reports. There is still one final regulatory hurdle, a final sign-off from the Australian Space Agency. If that happens in the next few days, Gilmour’s launch window will open May 15. The company has announced tentative launch schedules before, only to be thwarted by technical issues, regulatory hangups, or bad weather. Most recently, Gilmour got within six days of its targeted launch date in March before regulatory queries and the impact of a tropical cyclone forced a delay.

Stand by for history … The launch of Gilmour’s three-stage Eris rocket will be historic. If successful, the 82-foot-tall (25-meter) rocket will be Australia’s first homegrown orbital launcher. Eris is capable of hauling cargos up to 672 pounds (305 kilograms) to orbit, according to Gilmour. The company has dispatched a small team from its Gold Coast headquarters to the launch site in Queensland, on Australia’s northeastern coast, to perform testing on the vehicle after it remained dormant for weeks. (Submitted by trainticket)

Fresh insights into one of SpaceX’s worst days. When a Falcon 9 rocket exploded on its launch pad nearly nine years ago, SpaceX officials initially struggled to explain how it could have happened. The lack of a concrete explanation for the failure led SpaceX engineers to pursue hundreds of theories. One was the possibility that an outside “sniper” had shot the rocket. This theory appealed to SpaceX founder Elon Musk. A building leased by SpaceX’s main competitor in launch, United Launch Alliance, lay just a mile away from the Falcon 9 launch pad, and a video around the time of the explosion indicated a flash on its roof. Ars has now obtained a letter sent to SpaceX by the Federal Aviation Administration more than a month after the explosion, indicating the matter was elevated to the FBI. The bureau looked into it, and what did they find? Nothing, apparently.

Investigation terminated … “The FBI has informed us that based upon a thorough and coordinated review by the appropriate Federal criminal and security investigative authorities, there were no indications to suggest that sabotage or any other criminal activity played a role in the September 1 Falcon 9 explosion,” an FAA official wrote in the letter to SpaceX. Ultimately, engineers determined the explosion was caused by the sudden failure of a high-pressure helium tank on the Falcon 9’s upper stage.

Eric Schmidt’s motivations become clearer. In the nearly two months since former Google chief executive Eric Schmidt acquired Relativity Space, the billionaire has not said much publicly about his plans for the launch company. However, his intentions for Relativity are becoming increasingly clear: He wants to have the capability to launch a significant amount of computing infrastructure into space, Ars reports. During a congressional hearing last month, Schmidt discussed the need more electricity to power data centers that will facilitate the computing needs for AI development and applications.

How big this crisis is … “People are planning 10 gigawatt data centers,” Schmidt said at the hearing. “Gives you a sense of how big this crisis is.” In an exchange with my colleague Eric Berger on X, Schmidt seemed to confirm he bought Relativity Space as a means to support the development of data centers in space. Such data centers, ideally, would be powered by solar panels and be able to radiate heat into the vacuum of space. Relativity’s Terran R rocket, still in development, is well-sized to play a role in launching the infrastructure for data centers in space. But several big questions remain: How big would these data centers be? Where would they go within an increasingly cluttered low-Earth orbit? Could space-based solar power meet their energy needs? Can all of this heat be radiated away efficiently in space? Economically, would any of this make sense?

Rocket Lab, meet Rocket Cargo. Rocket Lab’s next-generation Neutron rocket has been selected for an experimental US Air Force mission to test rapid, global, cargo-delivery capabilities, a milestone for the company as it pushes further into the national security launch market, Space News reports. The mission, slated for no earlier than 2026, will fall under the Air Force Research Laboratory’s (AFRL) “Rocket Cargo” program, which explores how commercial launch vehicles might one day deliver materiel to any point on Earth within hours—a vision akin to airlift logistics via spaceflight.

A new mission for Neutron … Peter Beck, Rocket Lab’s founder and CEO, said the Rocket Cargo contract from AFRL represents an “experimental phase” of the program. “It’ll be interesting to see if that turns into a full requirement for an operational capability,” he said Thursday. Neutron is expected to carry a payload that will reenter Earth’s atmosphere, demonstrating the rocket’s ability to safely transport and deploy cargo. SpaceX’s Starship, with roughly 10 times more payload lift capacity than Neutron, is also on contract with AFRL for demonstrations for the Rocket Cargo program. Meanwhile, Beck said Neutron remains on schedule for its inaugural launch from Wallops Island, Virginia, later this year.

Trump calls for canceling the Space Launch System. The Trump administration released its “skinny” budget proposal earlier this week. Overall, NASA is asked to take a 25 percent cut in its budget, from about $25 billion to $18.8 billion. There are also significant changes proposed in NASA’s biggest-ticket exploration programs. The budget would cancel the Lunar Gateway that NASA has started developing and end the Space Launch System rocket and Orion spacecraft after two more flights, Artemis II and Artemis III, Ars reports. A statement from the White House calls the SLS rocket “grossly expensive” with projected costs of $4 billion per launch.

If not SLS, then what? … “The budget funds a program to replace SLS and Orion flights to the Moon with more cost-effective commercial systems that would support more ambitious subsequent lunar missions,” the Trump administration wrote. There are no further details about those commercial systems. NASA has contracted with SpaceX and Blue Origin to develop reusable landers for the Moon, and both of these systems include vehicles to move from Earth orbit to the Moon. In the budget proposal, the White House sets a priority for a human expedition to Mars to follow the Artemis program’s lunar landing.

FAA unlocks SpaceX launch cadence. Although we are still waiting for SpaceX to signal when it will fly the Starship rocket again, the company got some good news from the Federal Aviation Administration on Tuesday, Ars reports. After a lengthy review, the federal agency agreed to allow SpaceX to substantially increase the number of annual launches from its Starbase launch site in South Texas. Previously, the company was limited to five launches, but now it will be able to conduct up to 25 Starship launches and landings during a calendar year.

Waiting for clearance … Although the new finding permits SpaceX to significantly increase its flight rate from South Texas, the company still has work to do before it can fly Starship again. The company’s engineers are still working to get the massive rocket back to flight after its eighth mission broke apart off the coast of Florida on March 6. This was the second time, in two consecutive missions, that the Starship upper stage failed during its initial phase of flight. After two consecutive failures, there will be a lot riding on the next test flight of Starship. It will also be the first time the company attempts to fly a first stage of the rocket for a second time. According to some sources, if additional testing of this upper stage goes well, Starship could launch as early as May 19. This date is also supported by a notice to mariners, but it should be taken as notional rather than something to be confident in.

SpaceX adds to its dominion. Elon Musk’s wish to create his own city has come true, the Texas Tribune reports. On Saturday, voters living around SpaceX’s Starship rocket testing and launch facility in South Texas approved a measure to incorporate the area as a new city. Unofficial results later Saturday night showed the election was a landslide: 212 voted in favor; 6 opposed. After the county certifies the results, the new city will be official.

Elections have consequences … Only 283 people, those who live within the boundaries of the proposed city, were eligible to vote in the election. A Texas Newsroom analysis of the voter rolls showed two-thirds of them either work for SpaceX or had already indicated their support. The three unopposed people who ran to lead the city also have ties to SpaceX. It’s not clear if Musk, whose primary residence is at Starbase, cast a ballot. The vote clears the way for Musk to try to capture more control over the nearby public beach, which must be closed for launches.

Next three launches

May 10: Falcon 9 | Starlink 15-3 | Vandenberg Space Force Base, California | 00: 00 UTC

May 10: Falcon 9 | Starlink 6-91 | Cape Canaveral Space Force Station, Florida | 06: 28 UTC

May 11: Falcon 9 | Starlink 6-83 | Kennedy Space Center, Florida | 04: 24 UTC

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

Rocket Report: Rocket Lab to demo cargo delivery; America’s new ICBM in trouble Read More »

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Rocket Report: “No man’s land” in rocket wars; Isaacman lukewarm on SLS


China’s approach to space junk is worrisome as it begins launching its own megaconstellations.

A United Launch Alliance Atlas V rocket rolls to its launch pad in Florida in preparation for liftoff with 27 satellites for Amazon’s Kuiper broadband network. Credit: United Launch Alliance

Welcome to Edition 7.39 of the Rocket Report! Not getting your launch fix? Buckle up. We’re on the cusp of a boom in rocket launches as three new megaconstellations have either just begun or will soon begin deploying thousands of satellites to enable broadband connectivity from space. If the megaconstellations come to fruition, this will require more than a thousand launches in the next few years, on top of SpaceX’s blistering Starlink launch cadence. We discuss the topic of megaconstellations in this week’s Rocket Report.

As always, we welcome reader submissions. If you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets as well as a quick look ahead at the next three launches on the calendar.

So, what is SpinLaunch doing now? Ars Technica has mentioned SpinLaunch, the company that literally wants to yeet satellites into space, in previous Rocket Report newsletters. This company enjoyed some success in raising money for its so-crazy-it-just-might-work idea of catapulting rockets and satellites into the sky, a concept SpinLaunch calls “kinetic launch.” But SpinLaunch is now making a hard pivot to small satellites, a move that, on its face, seems puzzling after going all-in on kinetic launch and even performing several impressive hardware tests, throwing a projectile to altitudes of up to 30,000 feet. Ars got the scoop, with the company’s CEO detailing why and how it plans to build a low-Earth orbit telecommunications constellation with 280 satellites.

Traditional versus kinetic … The planned constellation, named Meridian, is an opportunity for SpinLaunch to diversify away from being solely a launch company, according to David Wrenn, the company’s CEO. We’ve observed this in a number of companies that started out as rocket developers before branching out to satellite manufacturing or space services. Wrenn said SpinLaunch could loft all of the Meridian satellites on a single large conventional rocket, or perhaps two medium-lift rockets, and then maintain the constellation with its own kinetic launch system. A satellite communications network presents a better opportunity for profit, Wrenn said. “The launch market is relatively small compared to the economic potential of satellite communication,” he said. “Launch has generally been more of a cost center than a profit center. Satcom will be a much larger piece of the overall industry.”

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Peter Beck suggests Electron is here to stay. The conventional wisdom is that the small launch vehicle business isn’t a big moneymaker. There is really only one company, Rocket Lab, that has gained traction in selling dedicated rides to orbit for small satellites. Rocket Lab’s launcher, Electron, can place payloads of up to a few hundred pounds into orbit. As soon as Rocket Lab had some success, SpaceX began launching rideshare missions on its much larger Falcon 9 rocket, cobbling together dozens of satellites on a single vehicle to spread the cost of the mission among many customers. This offers customers a lower price point than buying a dedicated launch on Electron. But Peter Beck, Rocket Lab’s founder and CEO, says his company has found a successful market providing dedicated launches for small satellites, despite price pressure from SpaceX, Space News reports. “Dedicated small launch is a real market, and it should not be confused with rideshare,” he argued. “It’s totally different.”

No man’s land … Some small satellite companies that can afford the extra cost of a dedicated launch realize the value of controlling their schedule and orbit, traits that a dedicated launch offers over a rideshare, Beck said. It’s easy to blame SpaceX for undercutting the prices of Rocket Lab and other players in this segment of the launch business, but Beck said companies that have failed or withdrawn from the small launch market didn’t have a good business plan, a good product, or good engineering. He added that the capacity of the Electron vehicle is well-suited for dedicated launch, whereas slightly larger rockets in the one-ton-to-orbit class—a category that includes Firefly Aerospace’s Alpha and Isar Aerospace’s Spectrum rockets—are an ill fit. The one-ton performance range is “no man’s land” in the market, Beck said. “It’s too small to be a useful rideshare mission, and it’s too big to be a useful dedicated rocket” for smallsats. (submitted by EllPeaTea)

ULA scrubs first full-on Kuiper launch. A band of offshore thunderstorms near Florida’s Space Coast on Wednesday night forced United Launch Alliance to scrub a launch attempt of the first of dozens of missions on behalf of its largest commercial customer, Amazon, Spaceflight Now reports. The mission will use an Atlas V rocket to deploy 27 satellites for Amazon’s Project Kuiper network. It’s the first launch of what will eventually be more than 3,200 operational Kuiper satellites beaming broadband connectivity from space, a market currently dominated by SpaceX’s Starlink. As of Thursday, ULA hadn’t confirmed a new launch date, but airspace warning notices released by the FAA suggest the next attempt might occur Monday, April 14.

What’s a few more days? … This mission has been a long time coming. Amazon announced the Kuiper megaconstellation in 2019, and the company says it’s investing at least $10 billion in the project (the real number may be double that). Problems in manufacturing the Kuiper satellites, which Amazon is building in-house, delayed the program’s first full-on launch by a couple of years. Amazon launched a pair of prototype satellites in 2023, but the operational versions are different, and this mission fills the capacity of ULA’s Atlas V rocket. Amazon has booked more than 80 launches with ULA, Arianespace, Blue Origin, and SpaceX to populate the Kuiper network. (submitted by EllPeaTea)

Space Force swaps ULA for SpaceX. For the second time in six months, SpaceX will deploy a US military satellite that was sitting in storage, waiting for a slot on United Launch Alliance’s launch schedule, Ars reports. Space Systems Command, which oversees the military’s launch program, announced Monday that it is reassigning the launch of a Global Positioning System satellite from ULA’s Vulcan rocket to SpaceX’s Falcon 9. This satellite, designated GPS III SV-08 (Space Vehicle-08), will join the Space Force’s fleet of navigation satellites beaming positioning and timing signals for military and civilian users around the world. The move allows the GPS satellite to launch as soon as the end of May, the Space Force said. The military executed a similar rocket swap for a GPS mission that launched on a Falcon 9 in December.

Making ULA whole … The Space Force formally certified ULA’s Vulcan rocket for national security missions last month, so Vulcan may finally be on the cusp of delivering for the military. But there are several military payloads in the queue to launch on Vulcan before GPS III SV-08, which was already completed and in storage at its Lockheed Martin factory in Colorado. Meanwhile, SpaceX is regularly launching Falcon 9 rockets with ample capacity to add the GPS mission to the manifest. In exchange for losing the contract to launch this particular GPS satellite, the Space Force swapped a future GPS mission that was assigned to SpaceX to fly on ULA’s Vulcan instead.

Russia launches a former Navy SEAL to space. Jonny Kim, a former Navy SEAL, Harvard Medical School graduate, and now a NASA astronaut, blasted off with two cosmonaut crewmates aboard a Russian Soyuz rocket early Tuesday, CBS News reports. Three hours later, Kim and his Russian crewmates—Sergey Ryzhikov and Alexey Zubritsky—chased down the International Space Station and moved in for a picture-perfect docking aboard their Soyuz MS-27 spacecraft. “It was the trip of a lifetime and an honor to be here,” Kim told flight controllers during a traditional post-docking video conference.

Rotating back to Earth … Ryzhikov, Zubritsky, and Kim joined a crew of seven living aboard the International Space Station, temporarily raising the lab’s crew complement to 10 people. The new station residents are replacing an outgoing Soyuz crew—Alexey Ovchinin, Ivan Wagner, and Don Pettit—who launched to the ISS last September and who plan to return to Earth aboard their own spacecraft April 19 to wrap up a 219-day stay in space. This flight continues the practice of launching US astronauts on Russian Soyuz missions, part of a barter agreement between NASA and the Russian space agency that also reserves a seat on SpaceX Dragon missions for Russian cosmonauts.

China is littering in LEO. China’s construction of a pair of communications megaconstellations could cloud low Earth orbit with large spent rocket stages for decades or beyond, Space News reports. Launches for the government’s Guowang and Shanghai-backed but more commercially oriented Qianfan (Thousand Sails) constellation began in the second half of 2024, with each planned to consist of over 10,000 satellites, demanding more than a thousand launches in the coming years. Placing this number of satellites is enough to cause concern about space debris because China hasn’t disclosed its plans for removing the spacecraft from orbit at the end of their missions. It turns out there’s another big worry: upper stages.

An orbital time bomb … While Western launch providers typically deorbit their upper stages after dropping off megaconstellation satellites in space, China does not. This means China is leaving rockets in orbits high enough to persist in space for more than a century, according to Jim Shell, a space domain awareness and orbital debris expert at Novarum Tech. Space News reported on Shell’s commentary in a social media post, where he wrote that orbital debris mass in low-Earth orbit “will be dominated by PRC [People’s Republic of China] upper stages in short order unless something changes (sigh).” So far, China has launched five dedicated missions to deliver 90 Qianfan satellites into orbit. Four of these missions used China’s Long March 6A rocket, with an upper stage that has a history of breaking up in orbit, exacerbating the space debris problem. (submitted by EllPeaTea)

SpaceX wins another lunar lander launch deal. Intuitive Machines has selected a SpaceX Falcon 9 rocket to launch a lunar delivery mission scheduled for 2027, the Houston Chronicle reports. The upcoming IM-4 mission will carry six NASA payloads, including a European Space Agency-led drill suite designed to search for water at the lunar south pole. It will also include the launch of two lunar data relay satellites that support NASA’s so-called Near Space Network Services program. This will be the fourth lunar lander mission for Houston-based Intuitive Machines under the auspices of NASA’s Commercial Lunar Payload Services program.

Falcon 9 has the inside track … SpaceX almost certainly offered Intuitive Machines the best deal for this launch. The flight-proven Falcon 9 rocket is reliable and inexpensive compared to competitors and has already launched two Intuitive Machines missions, with a third one set to fly late this year. However, there’s another factor that made SpaceX a shoe-in for this contract. SpaceX has outfitted one of its launch pads in Florida with a unique cryogenic loading system to pump liquid methane and liquid oxygen propellants into the Intuitive Machines lunar lander as it sits on top of its rocket just before liftoff. The lander from Intuitive Machines uses these super-cold propellants to feed its main engine, and SpaceX’s infrastructure for loading it makes the Falcon 9 rocket the clear choice for launching it.

Time may finally be running out for SLS. Jared Isaacman, President Trump’s nominee for NASA administrator, said Wednesday in a Senate confirmation hearing that he wants the space agency to pursue human missions to the Moon and Mars at the same time, an effort that will undoubtedly require major changes to how NASA spends its money. My colleague Eric Berger was in Washington for the hearing and reported on it for Ars. Senators repeatedly sought Isaacman’s opinion on the Space Launch System, the NASA heavy-lifter designed to send astronauts to the Moon. The next SLS mission, Artemis II, is slated to launch a crew of four astronauts around the far side of the Moon next year. NASA’s official plans call for the Artemis III mission to launch on an SLS rocket later this decade and attempt a landing at the Moon’s south pole.

Limited runway … Isaacman sounded as if he were on board with flying the Artemis II mission as envisioned—no surprise, then, that the four Artemis II astronauts were in the audience—and said he wanted to get a crew of Artemis III to the lunar surface as quickly as possible. But he questioned why it has taken NASA so long, and at such great expense, to get its deep space human exploration plans moving. In one notable exchange, Isaacman said NASA’s current architecture for the Artemis lunar plans, based on the SLS rocket and Orion spacecraft, is probably not the ideal “long-term” solution to NASA’s deep space transportation plans. The smart reading of this is that Isaacman may be willing to fly the Artemis II and Artemis III missions as conceived, given that much of the hardware is already built. But everything that comes after this, including SLS rocket upgrades and the Lunar Gateway, could be on the chopping block.

Welcome to the club, Blue Origin. Finally, the Space Force has signaled it’s ready to trust Jeff Bezos’ space company, Blue Origin, for launching the military’s most precious satellites, Ars reports. Blue Origin received a contract April 4 to launch seven national security missions for the Space Force between 2027 and 2032, an opening that could pave the way for more launch deals in the future. These missions will launch on Blue Origin’s heavy-lift New Glenn rocket, which had a successful debut test flight in January. The Space Force hasn’t certified New Glenn for national security launches, but military officials expect to do so sometime next year. Blue Origin joins SpaceX and United Launch Alliance in the Space Force’s mix of most-trusted launch providers.

A different class … The contract Blue Origin received last week covers launch services for the Space Force’s most critical space missions, requiring rocket certification and a heavy dose of military oversight to ensure reliability. Blue Origin was already eligible to launch a separate batch of missions the Space Force set aside to fly on newer rockets. The military is more tolerant of risk on these lower-priority missions, which include launches of “cookie cutter” satellites for the Pentagon’s large fleet of missile-tracking satellites and a range of experimental payloads.

Why is SpaceX winning so many Space Force contracts? In less than a week, the US Space Force awarded SpaceX a $5.9 billion deal to make Elon Musk’s space company the Pentagon’s leading launch provider, replacing United Launch Alliance in top position. Then, the Space Force assigned the vast majority of this year’s most lucrative launch contracts to SpaceX. As we mention earlier in the Rocket Report, the military also swapped a ULA rocket for a SpaceX launch vehicle for an upcoming GPS mission. So, is SpaceX’s main competitor worried Elon Musk is tipping the playing field for lucrative government contracts by cozying up to President Trump?

It’s all good, man … Tory Bruno, ULA’s chief executive, doesn’t seem too worried in his public statements, Ars reports. In a roundtable with reporters this week at the annual Space Symposium conference in Colorado, Bruno was asked about Musk’s ties with Trump. “We have not been impacted by our competitor’s position advising the president, certainly not yet,” Bruno said. “I expect that the government will follow all the rules and be fair and follow all the laws, and so we’re behaving that way.” The reason Bruno can say Musk’s involvement in the Trump administration so far hasn’t affected ULA is simple. SpaceX is cheaper and has a ready-made line of Falcon 9 and Falcon Heavy rockets available to launch the Pentagon’s satellites. ULA’s Vulcan rocket is now certified to launch military payloads, but it reached this important milestone years behind schedule.

Two Texas lawmakers are still fighting the last war. NASA has a lot to figure out in the next couple of years. Moon or Mars? Should, or when should, the Space Launch System be canceled? Can the agency absorb a potential 50 percent cut to its science budget? If Senators John Cornyn and Ted Cruz get their way, NASA can add moving a space shuttle to its list. The Lone Star State’s two Republican senators introduced the “Bring the Space Shuttle Home Act” on Thursday, CollectSpace reports. If passed by Congress and signed into law, the bill would direct NASA to take the space shuttle Discovery from the national collection at the Smithsonian National Air and Space Museum and transport it to Space Center Houston, a museum and visitor attraction next to Johnson Space Center, home to mission control and NASA’s astronaut training base. Discovery has been on display at the Smithsonian since 2012. NASA awarded museums in California, Florida, and New York the other three surviving shuttle orbiters.

Dollars and nonsense … Moving a space shuttle from Virginia to Texas would be a logistical nightmare, cost an untold amount of money, and would create a distraction for NASA when its focus should be on future space exploration. In a statement, Cruz said Houston deserves one of NASA’s space shuttles because of the city’s “unique relationship” to the program. Cornyn alleged in a statement that the Obama administration blocked Houston from receiving a space shuttle for political reasons. NASA’s inspector general found no evidence of this. On the contrary, transferring a space shuttle to Texas now would be an unequivocal example of political influence. The Boeing 747s that NASA used to move space shuttles across the country are no longer flightworthy, and NASA scrapped the handling equipment needed to prepare a shuttle for transport. Moving the shuttle by land or sea would come with its own challenges. “I can easily see this costing a billion dollars,” Dennis Jenkins, a former shuttle engineer who directed NASA’s shuttle transition and retirement program more than a decade ago, told CollectSpace in an interview. On a personal note, the presentation of Discovery at the Smithsonian is remarkable to see in person, with aerospace icons like the Concorde and the SR-71 spy plane under the same roof. Space Center Houston can’t match that.

Next three launches

April 12: Falcon 9 | Starlink 12-17 | Kennedy Space Center, Florida | 01: 15 UTC

April 12: Falcon 9 | NROL-192 | Vandenberg Space Force Base, California | 12: 17 UTC

April 14: Falcon 9 | Starlink 6-73 | Cape Canaveral Space Force Station, Florida | 01: 59 UTC

Photo of Stephen Clark

Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

Rocket Report: “No man’s land” in rocket wars; Isaacman lukewarm on SLS Read More »

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Rocket Report: Stoke is stoked; sovereignty is the buzzword in Europe


“The idea that we will be able to do it through America… I think is very, very doubtful.”

Stoke Space’s Andromeda upper stage engine is hot-fired on a test stand. Credit: Stoke Space

Welcome to Edition 7.37 of the Rocket Report! It’s been interesting to watch how quickly European officials have embraced ensuring they have a space launch capability independent of other countries. A few years ago, European government satellites regularly launched on Russian Soyuz rockets, and more recently on SpaceX Falcon 9 rockets from the United States. Russia is now non grata in European government circles, and the Trump administration is widening the trans-Atlantic rift. European leaders have cited the Trump administration and its close association with Elon Musk, CEO of SpaceX, as prime reasons to support sovereign access to space, a capability currently offered only by Arianespace. If European nations can reform how they treat their commercial space companies, there’s enough ambition, know-how, and money in Europe to foster a competitive launch industry.

As always, we welcome reader submissions. If you don’t want to miss an issue, please subscribe using the box below (the form will not appear on AMP-enabled versions of the site). Each report will include information on small-, medium-, and heavy-lift rockets as well as a quick look ahead at the next three launches on the calendar.

Isar Aerospace aims for weekend launch. A German startup named Isar Aerospace will try to launch its first rocket Saturday, aiming to become the first in a wave of new European launch companies to reach orbit, Ars reports. The Spectrum rocket consists of two stages, stands about 92 feet (28 meters) tall, and can haul payloads up to 1 metric ton (2,200 pounds) into low-Earth orbit. Based in Munich, Isar was founded by three university graduate students in 2018. Isar scrubbed a launch attempt Monday due to unfavorable winds at the launch site in Norway.

From the Arctic … Notably, this will be the first orbital launch attempt from a launch pad in Western Europe. The French-run Guiana Space Center in South America is the primary spaceport for European rockets. Virgin Orbit staged an airborne launch attempt from an airport in the United Kingdom in 2023, and the Plesetsk Cosmodrome is located in European Russia. The launch site for Isar is named Andøya Spaceport, located about 650 miles (1,050 kilometers) north of Oslo, inside the Arctic Circle. (submitted by EllPeaTea)

A chance for competition in Europe. The European Space Agency is inviting proposals to inject competition into the European launch market, an important step toward fostering a dynamic multiplayer industry officials hope one day will mimic that of the United States, Ars reports. The near-term plan for the European Launcher Challenge is for ESA to select companies for service contracts to transport ESA and other European government payloads to orbit from 2026 through 2030. A second component of the challenge is for companies to perform at least one demonstration of an upgraded launch vehicle by 2028. The competition is open to any European company working in the launch business.

Challenging the status quo … This is a major change from how ESA has historically procured launch services. Arianespace has been the only European launch provider available to ESA and other European institutions for more than 40 years. But there are private companies across Europe at various stages of developing their own small launchers, and potentially larger rockets, in the years ahead. With the European Launcher Challenge, ESA will provide each of the winners up to 169 million euros ($182 million), a significant cash infusion that officials hope will shepherd Europe’s nascent private launch industry toward liftoff. Companies like Isar Aerospace, Rocket Factory Augsburg, MaiaSpace, and PLD Space are among the contenders for ESA contracts.

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Rocket Lab launches eight satellites. Rocket Lab launched eight satellites Wednesday for a German company that is expanding its constellation to detect and track wildfires, Space News reports. An Electron rocket lifted off from New Zealand and completed deploying its payload of eight CubeSats for OroraTech about 55 minutes later, placing them into Sun-synchronous orbits at an altitude of about 341 miles (550 kilometers). This was Rocket Lab’s fifth launch of the year, and the third in less than two weeks.

Fire goggles … OroraTech launched three satellites before this mission, fusing data from those satellites and government missions to detect and track wildfires. The new satellites are designed to fill a gap in coverage in the afternoon, a peak time for wildfire formation and spread. OroraTech plans to launch eight more satellites later this year. Wildfire monitoring from space is becoming a new application for satellite technology. Last month, OroraTech partnered with Spire for a contract to build a CubeSat constellation called WildFireSat for the Canadian Space Agency. Google is backing FireSat, another constellation of more than 50 satellites to be deployed in the coming years to detect and track wildfires. (submitted by EllPeaTea)

Should Britain have a sovereign launch capability? A UK House of Lords special inquiry committee has heard from industry experts on the importance of fostering a sovereign launch capability, European Spaceflight reports. On Monday, witnesses from the UK space industry testified that the nation shouldn’t rely on others, particularly the United States, to put satellites into orbit. “The idea that we will be able to do it through America… certainly in today’s, you know, the last 50 days, I think is very, very doubtful. The UK needs access to space,” said Scott Hammond, deputy CEO of SaxaVord Spaceport in Scotland.

Looking inward … A representative from one of the most promising UK launch startups agreed. “Most people who are looking to launch are beholden to the United States solutions or services that are there,” said Alan Thompson, head of government affairs at Skyrora. “Without having our own home-based or UK-based service provider, we risk not having that voice and not being able to undertake all these experiments or be able to manifest ourselves better in space.” The UK is the only nation to abandon an independent launch capability after putting a satellite into orbit. The British government canceled the Black Arrow rocket in the early 1970s, citing financial reasons. A handful of companies, including Skyrora, is working to restore the orbital launch business to the UK.

This rocket engine CEO faces some salacious allegations. The Independent published what it described as an exclusive report Monday describing a lawsuit filed against the CEO of RocketStar, a New York-based company that says its mission is “improving upon the engines that power us to the stars.” Christopher Craddock is accused of plundering investor funds to underwrite pricey jaunts to Europe, jewelry for his wife, child support payments, and, according to the company’s largest investor, “airline tickets for international call girls to join him for clandestine weekends in Miami,” The Independent reports. Craddock established RocketStar in 2014 after financial regulators barred him from working on Wall Street over a raft of alleged violations.

Go big or go home … The $6 million lawsuit filed by former CEO Michael Mojtahedi alleges RocketStar “is nothing more than a Ponzi scheme… [that] has been predicated on Craddock’s ability to con new people each time the company has run out of money.” On its website, RocketStar says its work focuses on aerospike rocket engines and a “FireStar Fusion Drive, the world’s first electric propulsion device enhanced with nuclear fusion.” These are tantalizing technologies that have proven elusive for other rocket companies. RocketStar’s attorney told The Independent: “The company denies the allegations and looks forward to vindicating itself in court.”

Another record for SpaceX. Last Thursday, SpaceX launched a batch of clandestine SpaceX-built surveillance satellites for the National Reconnaissance Office from Vandenberg Space Force Base in California, Spaceflight Now reports. This was the latest in a series of flights populating the NRO’s constellation of low-Earth orbit reconnaissance satellites. What was unique about this mission was its use of a Falcon 9 first stage booster that flew to space just nine days prior with a NASA astronomy satellite. The successful launch broke the record for the shortest span between flights of the same Falcon 9 booster, besting a 13.5-day turnaround in November 2024.

A mind-boggling number of launches … This flight also marked the 450th launch of a Falcon 9 rocket since its debut in 2010, and the 139th within a 365-day period, despite suffering its first mission failure in nearly 10 years and a handful of other glitches. SpaceX’s launch pace is unprecedented in the history of the space industry. No one else is even close. In the last Rocket Report I authored, I wrote that SpaceX’s steamroller no longer seems to be rolling downhill. That may be the case as the growth in the Falcon 9 launch cadence has slowed, but it’s hard for me to see anyone else matching SpaceX’s launch rate until at least the 2030s.

Rocket Lab and Stoke Space find an on-ramp. Space Systems Command announced Thursday that it selected Rocket Lab and Stoke Space to join the Space Force’s National Security Space Launch (NSSL) program. The contracts have a maximum value of $5.6 billion, and the Space Force will dole out “task orders” for individual missions as they near launch. Rocket Lab and Stoke Space join SpaceX, ULA, and Blue Origin as eligible launch providers for lower-priority national security satellites, a segment of missions known as Phase 3 Lane 1 in the parlance of the Space Force. For these missions, the Space Force won’t require certification of the rockets, as the military does for higher-value missions in the so-called “Lane 2” segment. However, Rocket Lab and Stoke Space must complete at least one successful flight of their new Neutron and Nova rockets before they are cleared to launch national security payloads.

Stoked at Stoke … This is a big win for Rocket Lab and Stoke. For Rocket Lab, it bolsters the business case for the medium-class Neutron rocket it is developing for flights from Wallops Island, Virginia. Neutron will be partially reusable with a recoverable first stage. But Rocket Lab already has a proven track record with its smaller Electron launch vehicle. Stoke hasn’t launched anything, and it has lofty ambitions for a fully reusable two-stage rocket called Nova. This is a huge vote of confidence in Stoke. When the Space Force released its invitation for an on-ramp to the NSSL program last year, it said bidders must show a “credible plan for a first launch by December 2025.” Smart money is that neither company will launch its rockets by the end of this year, but I’d love to be proven wrong.

Falcon 9 deploys spy satellite. Monday afternoon, a SpaceX Falcon 9 took flight from Florida’s Space Coast and delivered a national security payload designed, built, and operated by the National Reconnaissance Office into orbit, Florida Today reports. Like almost all NRO missions, details about the payload are classified. The mission codename was NROL-69, and the launch came three-and-a-half days after SpaceX launched another NRO mission from California. While we have some idea of what SpaceX launched from California last week, the payload for the NROL-69 mission is a mystery.

Space sleuthing … There’s an online community of dedicated skywatchers who regularly track satellites as they sail overhead around dawn and dusk. The US government doesn’t publish the exact orbital parameters for its classified spy satellites (they used to), but civilian trackers coordinate with one another, and through a series of observations, they can produce a pretty good estimate of a spacecraft’s orbit. Marco Langbroek, a Dutch archeologist and university lecturer on space situational awareness, is one of the best at this, using publicly available information about the flight path of a launch to estimate when the satellite will fly overhead. He and three other observers in Europe managed to locate the NROL-69 payload just two days after the launch, plotting the object in an orbit between 700 and 1,500 kilometers at an inclination of 64.1 degrees to the equator. Analysts speculated this mission might carry a pair of naval surveillance spacecraft, but this orbit doesn’t match up well with any known constellations of NRO satellites.

NASA continues with Artemis II preps. Late Saturday night, technicians at Kennedy Space Center in Florida moved the core stage for NASA’s second Space Launch System rocket into position between the vehicle’s two solid-fueled boosters, Ars reports. Working inside the iconic 52-story-tall Vehicle Assembly Building, ground teams used heavy-duty cranes to first lift the butterscotch orange core stage from its cradle, then rotate it to a vertical orientation and lift it into a high bay, where it was lowered into position on a mobile launch platform. The 212-foot-tall (65-meter) core stage is the largest single hardware element for the Artemis II mission, which will send a team of four astronauts around the far side of the Moon and back to Earth as soon as next year.

Looking like a go … With this milestone, the slow march toward launch continues. A few months ago, some well-informed people in the space community thought there was a real possibility the Trump administration could quickly cancel NASA’s Space Launch System, the high-priced heavy-lifter designed to send astronauts from the Earth to the Moon. The most immediate possibility involved terminating the SLS program before it flies with Artemis II. This possibility appears to have been overcome by circumstances. The rockets most often mentioned as stand-ins for the Space Launch System—SpaceX’s Starship and Blue Origin’s New Glenn—aren’t likely to be cleared for crew missions for at least several years. The long-term future of the Space Launch System remains in doubt.

Space Force says Vulcan is good to go. The US Space Force on Wednesday announced that it has certified United Launch Alliance’s Vulcan rocket to conduct national security missions, Ars reports. “Assured access to space is a core function of the Space Force and a critical element of national security,” said Brig. Gen. Kristin Panzenhagen, program executive officer for Assured Access to Space, in a news release. “Vulcan certification adds launch capacity, resiliency, and flexibility needed by our nation’s most critical space-based systems.” The formal announcement closes a yearslong process that has seen multiple delays in the development of the Vulcan rocket, as well as two anomalies in recent years that were a further setback to certification.

Multiple options … This certification allows ULA’s Vulcan to launch the military’s most sensitive national security missions, a separate lot from those Rocket Lab and Stoke Space are now eligible for (as we report in a separate Rocket Report entry). It elevates Vulcan to launch these missions alongside SpaceX’s Falcon 9 and Falcon Heavy rockets. Vulcan will not be the next rocket that the company launches, however. First up is one of the company’s remaining Atlas V boosters, carrying Project Kuiper broadband satellites for Amazon. This launch could occur in April, although ULA has not set a date. This will be followed by the first Vulcan national security launch, which the Space Force says could occur during the coming “summer.”

Next three launches

March 29: Spectrum | “Going Full Spectrum” | Andøya Spaceport, Norway | 11: 30 UTC

March 29: Long March 7A | Unknown Payload | Wenchang Space Launch Site, China | 16: 05 UTC

March 30: Alpha | LM-400 | Vandenberg Space Force Base, California | 13: 37 UTC

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Stephen Clark is a space reporter at Ars Technica, covering private space companies and the world’s space agencies. Stephen writes about the nexus of technology, science, policy, and business on and off the planet.

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