Author name: Shannon Garcia

reddit’s-uk-users-must-now-prove-they’re-18-to-view-adult-content

Reddit’s UK users must now prove they’re 18 to view adult content

“Society has long protected youngsters from products that aren’t suitable for them, from alcohol to smoking or gambling,” Ofcom said. “Now, children will be better protected from online material that’s not appropriate for them, while adults’ rights to access legal content are preserved. We expect other companies to follow suit, or face enforcement if they fail to act.”

Ofcom said online platforms that fall under the law “must use highly effective age assurance to identify which users are children, to protect them from harmful material, while preserving adults’ rights to access legal content. That may involve preventing children from accessing the entire site or app, or only some parts or kinds of content.”

Ofcom Group Director for Online Safety Oliver Griffiths recently told the Daily Star that “if you’re a dedicated teenager, you’re probably going to be able to find ways to get [around this] in the same way as people manage to find their way in the pub to buy alcohol at under 18.” But he indicated that the law should prevent many kids from “stumbling across porn,” and that “this is very much a first step.”

In the US, individual states have been imposing age laws on porn websites. The US Supreme Court recently upheld a Texas law that requires age verification on porn sites, finding that the state’s age-gating law doesn’t violate the First Amendment. A dissent written by Justice Elena Kagan described the law’s ID requirement as a deterrent to exercising one’s First Amendment rights, saying that “Texas’s law defines speech by content and tells people entitled to view that speech that they must incur a cost to do so.”

While the Texas law applies to websites in which more than one-third of the content is sexual material, the UK law’s age provisions apply more broadly to social media websites. Reddit’s announcement of its UK restrictions said the company expects it will have to verify user ages in other countries.

“As laws change, we may need to collect and/or verify age in places other than the UK,” Reddit said. “Accordingly, we are also introducing globally an option for you to provide your birthdate to optimize your Reddit experience, for example to help ensure that content and ads are age-appropriate. This is optional, and you won’t be required to provide it unless you live in a place (like the UK) where we are required to ask for it.” Reddit said the option will be available in a user’s account settings, but will not roll out to all users immediately.

Disclosure: Advance Publications, which owns Ars Technica parent Condé Nast, is the largest shareholder in Reddit.

Reddit’s UK users must now prove they’re 18 to view adult content Read More »

new-windows-11-build-adds-self-healing-“quick-machine-recovery”-feature

New Windows 11 build adds self-healing “quick machine recovery” feature

Preview build 27898 also includes a features that will shrink Taskbar items if you’ve got too many pins or running apps for everything to fit at once, changes the pop-up that apps use to ask for access to things like the system webcam or microphone, and allows you to add words to the dictionary used for the speech-to-text voice access features, among a handful of other changes.

It’s hard to predict when any given Windows Insider feature will roll out to the regular non-preview versions of Windows, but we’re likely just a few months out from the launch of Windows 11 25H2, this year’s “annual feature update.” Some of these updates, like last year’s 24H2, are fairly major overhauls that make lots of under-the-hood changes. Others, like 2023’s 23H2, mostly exist to change the version number and reset Microsoft’s security update clock, as each yearly update is only promised new security updates for two years after release.

The 25H2 update looks like one of the relatively minor ones. Microsoft says that the two versions “use a shared servicing branch,” and that 25H2 features will be “staged” on PCs running Windows 11 24H2, meaning that the code will be installed on systems via Windows Update but that they’ll be disabled initially. Installing the 25H2 “update” when it’s available will merely enable features that were installed but dormant.

New Windows 11 build adds self-healing “quick machine recovery” feature Read More »

trump’s-doj-seems-annoyed-about-having-to-approve-t-mobile’s-latest-merger

Trump’s DOJ seems annoyed about having to approve T-Mobile’s latest merger

DOJ approval “reads like a complaint”

The DOJ’s unusual statement about the wireless industry oligopoly shows that the Justice Department staff and antitrust chief “clearly did not want to approve this,” stated Harold Feld, senior VP of consumer advocacy group Public Knowledge. The press release “reads like a complaint,” not an announcement of a merger approval, he added.

Daniel Hanley, senior legal analyst at the Open Markets Institute, said that “Slater could easily make a public comment or resign in protest. If she isn’t allowed to do the job Congress entrusted her with, then she can leave with her principles intact.” The Trump administration is failing to enforce antitrust laws “even when encountering a blatantly unlawful action that could result in a gov win,” he wrote.

The cable industry, which has been competing for mobile customers, issued a statement in response to the DOJ’s approval of T-Mobile’s transaction. “While cable broadband providers are aggressively investing to deliver real mobile competition, cost savings, and other benefits to millions of wireless consumers, the Big 3 are continuing their desperate attempts to thwart this new competition through aggressive spectrum stockpiling strategies,” cable lobby group NCTA said while urging policymakers to promote competition and fight excessive concentration of spectrum licenses.

Despite approving the T-Mobile deal, Slater said in her statement that the DOJ investigation “raised concerns about competition in the relevant markets for mobile wireless services and the availability of wireless spectrum needed to fuel competition and entry.”

US Cellular competed against the big carriers “by building networks, pricing plans, and service offerings that its customers valued, and which for many years the Big 3 often did not offer,” Slater said. “To the chagrin of its Big 3 competitors, US Cellular maintained a sizable customer base within its network footprint by virtue of its strong emphasis on transparency, integrity, and localized customer service. Accordingly, as part of its investigation, the Department considered the impact of the potential disappearance of the services offered to those customers of US Cellular—soon to become T-Mobile customers following the merger—that chose US Cellular over T-Mobile or its national competitors.”

Trump’s DOJ seems annoyed about having to approve T-Mobile’s latest merger Read More »

a-mess-of-its-own-making:-google-nerfs-second-pixel-phone-battery-this-year

A mess of its own making: Google nerfs second Pixel phone battery this year

Not all batteries age the same way. Some problems will appear quickly, but others won’t be noticeable until after many charge/discharge cycles. A few years back, Samsung released the Galaxy Note 7 with a slightly larger battery than the previous model. Within weeks, the phones started to catch fire, and even after swapping in a different battery pack, the issue persisted. It was a huge mess that led to a recall and steep financial losses.

Samsung’s battery missteps may have prompted manufacturers to take possible battery defects more seriously. So when Google detected problems with aging Pixel 4a batteries, it didn’t take any chances. It decided to degrade the experience on the remaining Pixel 4a units out there, even if the lower capacity and slower charging upset users. When Pixel 6a units started to catch fire again, Google decided to simply limit battery performance.

Pixel 6a update

The mandatory Android 16 July update will limit battery charging speed and capacity on affected phones.

Credit: Ryan Whitwam

The mandatory Android 16 July update will limit battery charging speed and capacity on affected phones. Credit: Ryan Whitwam

Pixel 4a units contained one of two different batteries, and only the one manufactured by a company called Lishen was downgraded. For the Pixel 6a, Google has decreed that the battery limits will be imposed when the cells hit 400 charge cycles. Beyond that, the risk of fire becomes too great—there have been reports of Pixel 6a phones bursting into flames.

Clearly, Google had to do something, but the remedies it settled on feel unnecessarily hostile to customers. It had a chance to do better the second time, but the solution for the Pixel 6a is more of the same.

A problem of Google’s making

Like other smartphone manufacturers, Google moved away from offering removable batteries in the 2010s to make phones slimmer and more durable. Smartphone makers largely dismissed the concerns of repair advocates who pointed out that lithium-ion batteries degrade over time, and making them difficult to remove wasn’t the best idea. However, this was a time when people only kept smartphones for a year or two before upgrading, but we have since entered an era in which people use phones for much longer. The way phones are marketed has changed to reflect that—Google has enacted longer support windows, topping out at seven years for its latest phones.

A mess of its own making: Google nerfs second Pixel phone battery this year Read More »

lamborghini-follows-successful-racing-huracan-with-new-temerario-gt3

Lamborghini follows successful racing Huracan with new Temerario GT3

Thanks to performance balancing, older GT3 cars like the Huracan are still competitive. But with the road car out of production, it was obvious that a racing version of its replacement was called for.

“The Temerario GT3 has been designed with the end user in mind,” said Lamborghini Chief Technical Officer Rouven Mohr. “Everything has been considered, from the efficiency of the aerodynamics to the power curve to the way in which the team is able to operate the car. The car operates in a slightly different area of the performance windows, which are used to balance the cars of different configurations compared to its predecessor. We are confident that it will be competitive in terms of lap time, while also nice to drive in a wide range of conditions, including at night and in the rain. The development team has worked hard to ensure the car has a wide operating window and that the teams are better able to work on it.”

The hybrid system is gone—too complex for customer racing, not to mention far too heavy. And again, with its balance of performance, it’s not like the Temerario GT3 would be allowed much more than half of the road car’s 907 hp (676 kW). The 4.0 L twin-turbo V8 stays, albeit limited to just 550 hp (410 kW), and there’s a new six-speed racing transmission that sends power to the rear wheels. The bodywork is designed for rapid replacement—rubbing isn’t really racing, but contact happens, and the faster you can fix it, the better.

These customer racing cars are even a decent little money-spinner for Lamborghini. The company sold more than 200 Huracan GT3s, and probably at least that many Super Trofeo cars, which race in a one-make series and don’t have the restrictions of the GT3 category.

Lamborghini follows successful racing Huracan with new Temerario GT3 Read More »

rocket-report:-spacex-to-make-its-own-propellant;-china’s-largest-launch-pad

Rocket Report: SpaceX to make its own propellant; China’s largest launch pad


United Launch Alliance begins stacking its third Vulcan rocket for the second time.

Visitors walk by models of a Long March 10 rocket, lunar lander, and crew spacecraft during an exhibition on February 24, 2023 in Beijing, China. Credit: Hou Yu/China News Service/VCG via Getty Images

Welcome to Edition 8.02 of the Rocket Report! It’s worth taking a moment to recognize an important anniversary in the history of human spaceflight next week. Fifty years ago, on July 15, 1975, NASA launched a three-man crew on an Apollo spacecraft from Florida and two Russian cosmonauts took off from Kazakhstan, on course to link up in low-Earth orbit two days later. This was the first joint US-Russian human spaceflight mission, laying the foundation for a strained but enduring partnership on the International Space Station. Operations on the ISS are due to wind down in 2030, and the two nations have no serious prospects to continue any partnership in space after decommissioning the station.

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.

Sizing up Europe’s launch challengers. The European Space Agency has selected five launch startups to become eligible for up to 169 million euros ($198 million) in funding to develop alternatives to Arianespace, the continent’s incumbent launch service provider, Ars reports. The five small launch companies ESA selected are Isar Aerospace, MaiaSpace, Rocket Factory Augsburg, PLD Space, and Orbex. Only one of these companies, Isar Aerospace, has attempted to launch a rocket into orbit. Isar’s Spectrum rocket failed moments after liftoff from Norway on a test flight in March. None of these companies is guaranteed an ESA contract or funding. Over the next several months, ESA and the five launch companies will negotiate with European governments for funding leading up to ESA’s ministerial council meeting in November, when ESA member states will set the agency’s budget for at least the next two years. Only then will ESA be ready to sign binding agreements.

Let’s rank ’em … Ars Technica’s space reporters ranked the five selectees for the European Launcher Challenge in order from most likely to least likely to reach orbit. We put Munich-based Isar Aerospace, the most well-funded of the group, at the top of the list after attempting its first orbital launch earlier this year. Paris-based MaiaSpace, backed by ArianeGroup, comes in second, with plans for a partially reusable rocket. Rocket Factory Augsburg, another German company, is in third place after getting close to a launch attempt last year before its first rocket blew up on a test stand. Spanish startup PLD Space is fourth, and Britain’s Orbex rounds out the list. (submitted by EllPeaTea)

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Japan’s Interstellar Technologies rakes in more cash. Interstellar Technologies raised 8.9 billion yen ($61.8 million) to boost the development of its Zero rocket and research and development of satellite systems, Space News reports. The money comes from Japanese financial institutions, venture capital funds, and debt financing. Interstellar previously received funding through agreements with the Japanese government and Toyota, which Interstellar says will add expertise to scale manufacturing of the Zero rocket for “high-frequency, cost-effective launches.” The methane-fueled Zero rocket is designed to deploy a payload of up to 1 metric ton (2,200 pounds) into low-Earth orbit. The unfortunate news from Interstellar’s fundraising announcement is that the company has pushed back the debut flight of the Zero rocket until 2027.

Straight up … Interstellar has aspirations beyond launch vehicles. The company is also developing a satellite communications business, and some of the money raised in the latest investment round will go toward this segment of the company. Interstellar is open about comparing its ambition to that of SpaceX. “On the satellite side, Interstellar is developing communications satellites that benefit from the company’s own launch capabilities,” the company said in a statement. “Backed by Japan’s Ministry of Internal Affairs and Communications and JAXA’s Space Strategy Fund, the company is building a vertically integrated model, similar to SpaceX’s approach with Starlink.”

Korean startup completes second-stage qual testing. South Korean launch services company Innospace says it has taken another step toward the inaugural launch of its Hanbit-Nano rocket by the year’s end with the qualification of the second stage, Aviation Week & Space Technology reports. The second stage uses an in-house-developed 34-kilonewton (7,643-pound-thrust) liquid methane engine. Innospace says the engine achieved a combustion time of 300 seconds, maintaining stability of the fuel and oxidizer supply system, structural integrity, and the launch vehicle integrated control system.

A true micro-launcher … Innospace’s rocket is modest in size and capacity, even among its cohorts in the small launch market. The Hanbit-Nano rocket is designed to launch approximately 200 pounds (90 kilograms) of payload into Sun-synchronous orbit. “With the success of this second stage engine certification test, we have completed the development of the upper stage of the Hanbit-Nano launch vehicle,” said Kim Soo-jong, CEO of Innospace. “This is a very symbolic and meaningful technological achievement that demonstrates the technological prowess and test operation capabilities that Innospace has accumulated over a long period of time, while also showing that we have entered the final stage for commercial launch. Currently, all executives and staff are doing their best to successfully complete the first stage certification test, which is the final gateway for launch, and we will make every effort to prepare for a smooth commercial launch in the second half of the year.”

Two companies forge unlikely alliance in Dubai. Two German entrepreneurs have joined forces with a team of Russian expats steeped in space history to design a rocket using computational AI models, Payload reports. The “strategic partnership” is between LEAP 71, an AI-enabled design startup, and Aspire Space, a company founded by the son of a Soviet engineer who was in charge of launching Zenit rockets from the Baikonur Cosmodrome in Kazakhstan in the 1980s. The companies will base their operations in Dubai. The unlikely pairing aims to develop a new large reusable launch vehicle capable of delivering up to 15 metric tons to low-Earth orbit. Aspire Space is a particularly interesting company if you’re a space history enthusiast. Apart from the connections of Aspire’s founder to Soviet space history, Aspire’s chief technology officer, Sergey Sopov, started his career at Baikonur working on the Energia heavy-lift rocket and Buran space shuttle, before becoming an executive at Sea Launch later in his career.

Trust the computer … It’s easy to be skeptical about this project, but it has attracted an interesting group of people. LEAP 71 has just two employees—its two German co-founders—but boasts lofty ambitions and calls itself a “pioneer in AI-driven engineering.” As part of the agreement with Aspire Space, LEAP 71 will use a proprietary software program called Noyron to design the entire propulsion stack for Aspire’s rockets. The company says its AI-enabled design approach for Aspire’s 450,000-pound-thrust engine will cut in half the time it took other rocket companies to begin test-firing a new engine of similar size. Rudenko forecasts Aspire’s entire project, including a launcher, reusable spacecraft, and ground infrastructure to support it all, will cost more than $1 billion. So far, the project is self-funded, Rudenko told Payload. (submitted by Lin Kayser)

Russia launches ISS resupply freighter. A Russian Progress supply ship launched July 3 from the Baikonur Cosmodrome in Kazakhstan atop a Soyuz-2.1a rocket, NASASpaceflight reports. Packed with 5,787 pounds (2,625 kilograms) of cargo and fuel, the Progress MS-31 spacecraft glided to an automated docking at the International Space Station two days later. The Russian cosmonauts living aboard the ISS will unpack the supplies carried inside the Progress craft’s pressurized compartment. This was the eighth orbital launch of the year by a Russian rocket, continuing a downward trend in launch activity for the Russian space program in recent years.

Celebrating a golden anniversary … The Soyuz rocket that launched Progress MS-31 was painted an unusual blue and white scheme, as it was originally intended for a commercial launch that was likely canceled after Russia’s invasion of Ukraine. It also sported a logo commemorating the 50th anniversary of the Apollo-Soyuz mission in July 1975.

Chinese rocket moves closer to first launch. Chinese commercial launch firm Orienspace is aiming for a late 2025 debut of its Gravity-2 rocket following a recent first-stage engine hot fire test, Space News reports. The “three-in-one” hot fire test verified the performance of the Gravity-2 rocket’s first stage engine, servo mechanisms, and valves that regulate the flow of propellants into the engine, according to a press release from Orienspace. The Gravity-2 rocket’s recoverable and reusable first stage will be powered by nine of these kerosene-fueled engines. The recent hot fire test “lays a solid foundation” for future tests leading up to the Gravity-2’s inaugural flight.

Extra medium … Orienspace’s first rocket, the solid-fueled Gravity-1, completed its first successful flight last year to place multiple small satellites into orbit. Gravity-2 is a much larger vehicle, standing 230 feet (70 meters) tall, the same height as SpaceX’s Falcon 9 rocket. Orienspace’s new rocket will fly in a core-only configuration or with the assistance of two solid rocket boosters. An infographic released by Orienspace in conjunction with the recent engine hot fire test indicates the Gravity-2 rocket will be capable of hauling up to 21.5 metric tons (47,400 pounds) of cargo into low-Earth orbit, placing its performance near the upper limit of medium-lift launchers.

Senator calls out Texas for trying to steal space shuttle. A political effort to remove space shuttle Discovery from the Smithsonian and place it on display in Texas encountered some pushback on Thursday, as a US senator questioned the expense of carrying out what he described as a theft, Ars reports. “This is not a transfer. It’s a heist,” said Sen. Dick Durbin (D-Ill.) during a budget markup hearing before the Senate Appropriations Committee. “A heist by Texas because they lost a competition 12 years ago.” In April, Republican Sens. John Cornyn and Ted Cruz, both representing Texas, introduced the “Bring the Space Shuttle Home Act” that called for Discovery to be relocated from the National Air and Space Museum’s Steven F. Udvar-Hazy Center in northern Virginia and displayed at Space Center Houston. They then inserted an $85 million provision for the shuttle relocation into the Senate version of the “One Big Beautiful Bill,” which, to comply with Senate rules, was more vaguely worded but was meant to achieve the same goal. That bill was enacted on July 4, when President Donald Trump signed it into law.

Dollar signs As ridiculous as it is to imagine spending $85 million on moving a space shuttle from one museum to another, it’ll actually cost a lot more to do it safely. Citing research by NASA and the Smithsonian, Durbin said that the total was closer to $305 million, and that did not include the estimated $178 million needed to build a facility to house and display Discovery once it was in Houston. Furthermore, it was unclear if Congress even has the right to remove an artifact, let alone a space shuttle, from the Smithsonian’s collection. The Washington, DC, institution, which serves as a trust instrumentality of the US, maintains that it owns Discovery. The paperwork signed by NASA in 2012 transferred “all rights, interest, title, and ownership” for the spacecraft to the Smithsonian. “This will be the first time ever in the history of the Smithsonian someone has taken one of their displays and forcibly taken possession of it. What are we doing here? They don’t have the right in Texas to claim this,” said Durbin.

Starbase keeps getting bigger. Cameron County, Texas, has given SpaceX the green light to build an air separator facility, which will be located less than 300 feet from the region’s sand dunes, frustrating locals concerned about the impact on vegetation and wildlife, the Texas Tribune reports. The commissioners voted 3–1 to give Elon Musk’s rocket company a beachfront construction certificate and dune protection permit, allowing the company to build a facility to produce gases needed for Starship launches. The factory will separate air into nitrogen and oxygen. SpaceX uses liquid oxygen as a propellant and liquid nitrogen for testing and operations.

Saving the roads … By having the facility on site, SpaceX hopes to make the delivery of those gases more efficient by eliminating the need to have dozens of trucks deliver them from Brownsville. The company says they need more than 200 trucks of liquid nitrogen and oxygen delivered for each launch, a SpaceX engineer told the county during a meeting last week. With their application, SpaceX submitted a plan to mitigate expected negative effects on 865 square feet of dune vegetation and 20 cubic yards of dunes, as well as compensate for expected permanent impacts to 7,735 square feet of dune vegetation and 465 cubic yards of dunes. While the project will be built on property owned by SpaceX, the county holds the authority to manage the construction that affects Boca Chica’s dunes.

ULA is stacking its third Vulcan rocket. A little more than a week after its most recent Atlas V rocket launch, United Launch Alliance rolled a Vulcan booster to the Vertical Integration Facility at Cape Canaveral Space Force Station in Florida on July 2 to begin stacking its first post-certification Vulcan rocket, Spaceflight Now reports. The operation, referred to by ULA as Launch Vehicle on Stand (LVOS), is the first major milestone toward the launch of the third Vulcan rocket. The upcoming launch will be the first operational flight of ULA’s new rocket with a pair of US military payloads, following two certification flights in 2024.

For the second time … This is the second time that this particular Vulcan booster was brought to Space Launch Complex 41 in anticipation of a launch campaign. It was previously readied in late October of last year in support of the USSF-106 mission, the Space Force’s designation for the first national security launch to use the Vulcan rocket. However, plans changed as the process of certifying Vulcan to fly government payloads took longer than expected, and ULA pivoted to launch two Atlas V rockets on commercial missions from the same pad before switching back to Vulcan launch preps.

Progress report on China’s Moon rocket. China’s self-imposed deadline of landing astronauts on the Moon by 2030 is now just five years away, and we’re starting to see some tangible progress. Construction of the launch pad for the Long March 10 rocket, the massive vehicle China will use to launch its first crews toward the Moon, is well along at the Wenchang Space Launch Site on Hainan Island. An image shared on the Chinese social media platform Weibo, and then reposted on X, shows the Long March 10’s launch tower near its final height. A mobile launch platform presumably for the Long March 10 is under construction nearby.

Super heavy … The Long March 10 will be China’s most powerful rocket to date, with the ability to dispatch 27 metric tons of payload toward the Moon, a number comparable to NASA’s Space Launch System. Designed for partial reusability, the Long March 10 will use an all-liquid propulsion system and stand more than 92 meters (300 feet) tall. The rocket will launch Chinese astronauts inside the nation’s next-generation Mengzhou crew capsule, along with a lunar lander to transport crew members from lunar orbit to the surface of the Moon using an architecture similar to NASA’s Apollo program.

Next three launches

July 11: Electron | JAKE 4 | Wallops Flight Facility, Virginia | 23: 45 UTC

July 13: Falcon 9 | Dror 1 | Cape Canaveral Space Force Station, Florida | 04: 31 UTC

July 14: Falcon 9 | Starlink 15-2 | Vandenberg Space Force Base, California | 02: 27 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 to make its own propellant; China’s largest launch pad Read More »

“it’s-a-heist”:-senator-calls-out-texas-for-trying-to-steal-shuttle-from-smithsonian

“It’s a heist”: Senator calls out Texas for trying to steal shuttle from Smithsonian

Citing research by NASA and the Smithsonian, Durbin said that the total was closer to $305 million and that did not include the estimated $178 million needed to build a facility to house and display Discovery once in Houston.

Furthermore, it was unclear if Congress even has the right to remove an artifact, let alone a space shuttle, from the Smithsonian’s collection. The Washington, DC, institution, which serves as a trust instrumentality of the US, maintains that it owns Discovery. The paperwork signed by NASA in 2012 transferred “all rights, interest, title, and ownership” for the spacecraft to the Smithsonian.

“This will be the first time ever in the history of the Smithsonian someone has taken one of their displays and forcibly taken possession of it. What are we doing here? They don’t have the right in Texas to claim this,” said Durbin.

Houston was not the only city to miss out on displaying a retired space shuttle. In 2011, Durbin and fellow Illinois Senator Mark Kirk appealed to NASA to exhibit one of the winged spacecraft at the Adler Planetarium in Chicago. The agency ultimately decided to award the shuttles to the National Air and Space Museum, the Kennedy Space Center Visitor Complex in Florida, and the California Science Center in Los Angeles.

Houston, we have a problem

A prototype orbiter that was exhibited where Discovery is now was transferred to the Intrepid Museum in New York City.

To be able to bring up his points at Thursday’s hearing, Durbin introduced the “Houston, We Have a Problem” amendment to “prohibit the use of funds to transfer a decommissioned space shuttle from one location to another location.”

He then withdrew the amendment after having voiced his objections.

“I think we’re dealing with something called waste. Eighty-five million dollars worth of waste. I know that this is a controversial issue, and I know that there are other agencies, Smithsonian, NASA, and others that are interested in this issue; I’m going to withdraw this amendment, but I’m going to ask my colleagues to be honest about it,” said Durbin. “I hope that we think about this long and hard.”

“It’s a heist”: Senator calls out Texas for trying to steal shuttle from Smithsonian Read More »

investors-appear-to-like-a-company-with-big-space-manufacturing-ambitions

Investors appear to like a company with big space manufacturing ambitions

The company has also positioned its W-series of spacecraft, which reenter at a maximum speed of Mach 25, as an ideal test bed for thermal protection materials, navigation, communications, and other sensors that could be flown operationally on hypersonic missiles.

Therefore, Varda’s three main lines of business are military applications, pharmaceutical research and manufacturing, and basic research in microgravity.

The latter is an interesting option at a time when NASA is rushing to manifest research experiments on board the International Space Station—which is due to retire in 2030—and commercial space stations have not yet come online (and may not for several years).

Humans in the loop?

For experiments that can be done without a human astronaut, Varda now offers a less expensive and faster way to get experiments done in space.

It is not difficult to envision an increasingly sophisticated, autonomous spacecraft potentially taking some commercial business away from private space stations (NASA’s program for this is called Commercial LEO Destinations, or CLDs) that are being developed to come online by 2030, or shortly thereafter. However, Varda officials say this is not their intent.

“We don’t view ourselves [as] competitive with those platforms. If anything, we’re a force multiplier,” said Eric Lasker, Varda’s chief revenue officer. “We view ourselves more as the bridge versus some kind of competition to all things CLD.”

Nevertheless, it’s worth noting that Varda is flying missions right now—and quite a lot of them for a small space company. The next five years could see some industries and commercial applications moving toward an autonomous model in space rather than having humans in the loop, simply because that’s the commercial option that exists today.

Despite its autonomous posture, Varda is not actually anti-human spaceflight. Asparouhov said the company would eventually like to build much larger platforms in space that can stay there permanently. Over time, these facilities will naturally need some maintenance.

“Consider an oil rig worker in Dallas where it’s two weeks on, two weeks off. You get to be with your family two weeks, and then you’re at this industrial outpost in the middle of nowhere that’s difficult to get to,” he said. “Ours just happens to be this low-Earth-orbit-based industrial outpost rather than somewhere in the ocean.”

Investors appear to like a company with big space manufacturing ambitions Read More »

gemini-can-now-turn-your-photos-into-video-with-veo-3

Gemini can now turn your photos into video with Veo 3

Google’s Veo 3 videos have propagated across the Internet since the model’s debut in May, blurring the line between truth and fiction. Now, it’s getting even easier to create these AI videos. The Gemini app is gaining photo-to-video generation, allowing you to upload a photo and turn it into a video. You don’t have to pay anything extra for these Veo 3 videos, but the feature is only available to subscribers of Google’s Pro and Ultra AI plans.

When Veo 3 launched, it could conjure up a video based only on your description, complete with speech, music, and background audio. This has made Google’s new AI videos staggeringly realistic—it’s actually getting hard to identify AI videos at a glance. Using a reference photo makes it easier to get the look you want without tediously describing every aspect. This was an option in Google’s Flow AI tool for filmmakers, but now it’s in the Gemini app and web interface.

To create a video from a photo, you have to select “Video” from the Gemini toolbar. Once this feature is available, you can then add your image and prompt, including audio and dialogue. Generating the video takes several minutes—this process takes a lot of computation, which is why video output is still quite limited.

Gemini can now turn your photos into video with Veo 3 Read More »

balsa-update:-springtime-in-dc

Balsa Update: Springtime in DC

Today’s post is an update from my contractor at Balsa Research, Jennifer Chen. I offer guidance and make strategic choices, but she’s the one who makes the place run. Among all the other crazy things that have been happening lately, we had to divert some time from our Jones Act efforts to fight against some potentially far more disastrous regulations that got remarkably close to happening.

What if, in addition to restricting all domestic waterborne trade to U.S.-built, U.S-flagged vessels, we also required the same of 20% of all U.S. exports?

In late February this year, Balsa Research got word that this was a serious new proposal coming out of the USTR, with public comments due soon and public hearings not much longer after that.

The glaring problem with this proposal was that there were fewer than one hundred oceangoing ships that meet that criteria today, when we probably needed closer to a thousand.

Can we build our way out? No. The US currently only has four shipyards [1] capable of constructing large oceangoing commercial vessels, and it takes them 52 months on average to deliver an oceangoing cargo ship [2]. And that was if you can even get in the order book in the first place; most of these shipyards also take government contracts, the navy is behind on updating its fleet, and there are only so many dry docks to go around. We can theoretically build some shipyards about this, but that would take time as well.

In the meantime, existing oceangoing U.S.-built vessels have a combined capacity that can handle around 2% of current U.S. maritime export volumes, which is a much smaller number than 20%. And once capacity is reached, no more ships will be available at any price, and U.S. waterborne exports will be immediately reduced to a very small fraction of its current volume [3].

This seemed very bad. Maybe Balsa should do something about it?

I tried to squirm out of the responsibility at first, because this was the rational thing to do. With how limited Balsa’s capacity was (only one person working full time, that’s me!), it really only made sense for the entity to take on the highest leverage work we can; the ones where our comparative and absolute advantage absolutely dominated the competition. The work where no one else was on the ball at all. Like, say, trying to put together a set of coherent reforms to the Jones Act.

How might I squirm out of the responsibility? I went through press coverage of the proposal in trade journals, and the list of submitted comments in the USTR public portal. All I needed to do, really, was identify if this observation was being made literally anywhere else that the USTR might see.

Like, the UAW does a bunch of lobbying, surely they would have noticed that they will not be able to export cars? Well, I didn’t find a UAW submission, but did find one from the trade group representing the American auto industry. In the face of crushing export restrictions, they… “encourage USTR to begin implementation of any such restrictions no sooner than 7 years to provide sufficient time for the capacity of U.S.-flagged and U.S.-built vessels to grow to a level where it can meet industry demand.” [4]

…Okay. I guess Balsa might need to do something about this.

First, recall what the political environment was like in early March this year, two months into the new administration. Everyone’s attention was spread quite thin, what with the exciting new tariffs being announced and the Greenland annexation threats.

To make things worse, this proposed restriction was being double billed with another baffling proposal to charge certain cargo ships [6] millions of dollars when they try to deliver imported goods to U.S. ports. Because the dire negative consequences of new $3-5 million dollar port entry fees required no special knowledge to grasp, 99% of the attention and the lobbying might of the American private sector went towards protesting that instead.

But honestly, even without all that, I think the obliviousness is understandable. The U.S. makes trucks and planes, so it’s reasonable to assume that we also make ships and have more than a two digit number of them. The Jones Act killed domestic shipping generations ago, and industries have long adapted to using trucks, rail, or pipelines to move things domestically. As for exports, the nationality of the ships has never mattered there. With American industry severed from American shipbuilding for decades, who exactly was supposed to be keeping tabs?

Of course, a few parties would have been aware. The handful of domestic shipping companies that own all of the Jones Act ships, for instance. But they stand to benefit from the proposal as it sharply increases demand for their services, so they’re not exactly incentivized to speak up. Ditto for U.S. shipyards. I was not surprised by their silence.

More confusing to me was this 60 page economic analysis of the USTR’s complete proposal. This was submitted by the National Retail Federation, but approximately every single industry and trade association in the United States is a co-sponsor.

Regarding the requirement for 20% of U.S. exports to be delivered on U.S.-built ships, the analysts acknowledge that this would be a de-facto restriction of U.S. exports, which would be really bad. But then they proceed to base their analysis on a model where everything is actually fine because the vessels that do not exist actually do exist:

If USTR were to implement this remedy option… it would amount to, in effect, a restriction of U.S. exports out of U.S. ports, a very different scenario than the one we model here. In that event, the results we provide below would be many multiples greater than what we show for the scenario as proposed by USTR, which essentially assumes that the 125+ containerships and all the other new vessels needed to implement it exist. Nevertheless, we have proceeded with the scenario as proposed by USTR. [page 18]

To be clear, in the actual proposal text, there’s no “scenario” from USTR suggesting that any ships would suddenly pop into existence. The proposed policy is simply a requirement for operators to transport 20% of U.S. products on U.S.-flagged, U.S.-built ships [6].

I tried to find the scenario suggested by USTR to no avail. I suspect that sufficiently prestigious submitters probably had the luxury of some pre-submission communication with USTR, like formal stakeholder calls or guidance about analytical approaches. Unfortunately, such prior communication may end up significantly constraining your ultimate range of motion.

Despite the questionable analysis, it was still a huge relief to come across. I’d started to wonder if I was missing something obvious since no other submission brought up the fact that this proposal was de facto a restriction of all U.S. exports. But here was confirmation that no, at least one other team had noticed the same fundamental issue.

Congresspeople introduce bills all the time, and the vast majority of them die. Were we wasting our time on something that was 99% going to fail anyways?

Unfortunately, this did not seem to be the case. It was the Office of the U.S. Trade Representative (responsible for a wide swathe of trade functions including advising the president on trade issues) that was proposing the above policies. They were doing so via “Section 301 Investigations”, a specific authority to take retaliatory action against “unfair trade practices”. This authority was invoked by the previous Trump administration six times, twice successfully. This gives us a base rate of 33%.

Additionally, of all the previous cases, this one bore the strongest resemblance to one of the two that passed—a 2017 case that was also framed as targeting unfair Chinese trade practices. That one resulted in significant additional tariffs on nearly two-thirds of all imports from China (~$370 billion in annual goods) beginning in 2018 and 2019.

Hundreds of industry representatives flew to DC to deliver their objections in person for that proposed action, resulting in a full seven days of public hearings. It was enacted anyways.

So there was a real chance that this policy would get enacted, and Balsa had noticed a major flaw that no one else was meaningfully pointing out. It was now overdetermined that we should divert some effort towards making a credible case against it.

I submitted Balsa’s initial public comment on March 22nd, and also a request to present testimony at the public hearing, which was accepted.

Conveniently, I was attending a maritime legislation conference in D.C the weekend prior. I shamelessly took advantage and put my public comment and presentation script in front of all the industry and trade reps I could chase down, and got the contact info and feedback of some of their in-house policy teams.

The consequences of the export restriction was surprising to some of them, but none of them were skeptical about my conclusion after reading through my analysis—another good sign that I was not the one missing something. In some cases, the organizations they were heading represented a plurality of interests, and while they had a notion that the restrictions to U.S. exports would be harmful, they felt unable to speak up about it as some of their members stood to benefit [7].

I made some last minute updates to my testimony based on their feedback and my observations.

On March 26th, I presented Balsa’s findings to a panel of representatives from eleven different government departments and agencies and took their questions.

Almost sixty testimonials were provided to the panel over two days of hearings. The overwhelming majority of speakers were there to object to the port fees. And this was important work; the proposed port fees were going to immediately and negatively impact the economy, this was obvious, and it was well worth it to hammer it home from dozens of angles [8].

Around a sixth of the presenters supported the proposals and came to make the case for why the USTR shouldn’t listen to the haters. These presenters generally represented American labor unions, the domestic shipbuilding industry, and states where unions and/or the shipbuilding industry were unusually important funders of their sitting political representatives.

Besides us, only a handful of the presenters spoke out against the export restrictions [9]. The majority of these presenters still primarily focused on the port fees, however.

Presenters who focused more on export restrictions included representatives from petrochemical industries who pointed out that the U.S. has no chemical or LNG tankers and no current capacity to build them, and shippers who noted extreme cost premiums and prohibitive timelines when trying to work with American shipyards.

In general, I found that the presenters understood that U.S.-built ships were unviable for their specific industries or companies, but didn’t grasp that this was a universal problem rather than a sectoral one [10]. Still, their testimony helped usefully signal that American shipbuilders were fundamentally uncompetitive, which helped legitimize our rather more dire analysis when we presented late on the second day. We just had to spell out the full-scale consequences; it wasn’t that companies like North Florida Shipping would need to pay $40 million instead of $10 million per vessel, it was that after the tiny order books filled up, no more ships would be available at any price.

So that’s basically what Balsa conveyed in our testimony. Afterwards, we had an opportunity to submit post-hearing responses to the questions that we were asked during the hearings. I got one question from the Department of Commerce requesting our analysis of the security implications of continuing to allow Chinese-built ships to dock at our ports (i.e. standard practice today), so we also submitted a response to that.

Around a month after the public hearings, the USTR published updated proposals and gave a summary of the arguments made in the public hearing. Here’s an excerpt from their summarized findings regarding the export restrictions:

Several comments expressed concern that the proposals would only punish U.S. exporters. Some asserted that the proposals would lead to a decrease in U.S. exports and would ultimately divert ships from U.S. ports. Several comments noted that the timelines for the proposals are too aggressive and not achievable. Most of these comments noted that there is currently insufficient capacity of U.S. ships and one comment noted a lack of U.S. mariners.

In response, they got rid of almost the entire thing. (More about that in the next section.)

I think Balsa can take something like 1-3% of the credit for this, and I have no regrets in spending the (relatively small amount of) time and money that we did to guarantee that our analysis was heard by the USTR. Along the way, we also made many useful and promising contacts with some congressional offices and other people working on maritime policy, which is a fantastic bonus.

The revised proposal that the USTR released in response to the public comments is for export restrictions to now only apply to LNG. Beginning in April 2029, 1% of exports must be delivered in U.S.-built vessels, and the percentage ratchets up annually.

This is still very awkward, because there exists no U.S.-made LNG tankers and no current capacity to build them. Building the capacity will take time, which means that starting in 2029, the U.S. may not be able to export any LNG.

But this is objectively a much smaller problem; instead of eliminating 90% of all waterborne U.S. exports (worth around $600 billion annually), it will be eliminating “only” a $30-40 billion dollar industry [11] if enacted.

More relevantly for Balsa, the correct people have noticed and are taking reasonable actions. The Center for LNG, which represents the U.S. LNG industry, has filed a comment to the USTR pointing this out. So has the Cato Institute, the Chamber of Shipping of America, the International Tank Container Organization, and various others.

And more importantly, this administration clearly really wants to export a lot more LNG, so I really don’t anticipate this restriction sticking around.

Zvi and I have minor disagreements about the counterfactual impact of an additional submission from Balsa Research, but I’ve ultimately decided that it is time to return to hunting the biggest fish—taking steps towards the actual repeal of the Jones Act.

Balsa Research is once more 100% focused on Jones Act reform! We are looking to hire someone based in D.C. to do research for us, please get in touch if you think you would be a good fit, and/or forward this to people in your network that you think would be.

We’re also developing specific reports digging to the bottom of specific pro-Jones Act talking points. Since the American Cargo for American Ships Act has passed the House and is currently before a Senate subcommittee, we will be first investigating the value of cargo preference laws for bolstering the American maritime sector.

If you would like to support this sort of work, please consider making a donation.

You can also view our new Request for Applications for a labor market analysis of the Jones Act, now that we are ready to get back to funding more work.

Thanks for reading!

[1] Possibly five, but Fincantieri Marinette Marine is situated on Lake Michigan, and the St. Lawrence Seaway is not wide enough for reasonably sized ocean carriers to be transported from the Great Lakes out to the ocean.

[2] Since the 1980s, the domestic shipbuilding market has shifted to building smaller vessels or vessels focused on coastwise transportation. Most shipyards would need a period to transition to develop the capacity to build commercial vessels suitable for international ocean trade, even if you don’t care about costs. More on this if you’re interested: 2023 CRS one-pager on domestic shipbuilding, 2025 GAO report on navy shipbuilding, 2024 pieces by Brian Potter and Austin Vernon on American shipbuilding.

[3] Note that in this scenario, Alaska, Hawaii, and the U.S. territories are left in the lurch as well, as the ships that serviced them are diverted into servicing the most profitable 10% of international trade routes instead.

[4] I’m inclined to cut them some slack though; new tariffs on Mexican and Canadian steel and auto parts were likely top of mind at the time.

[5] Ships built in China, or ships that are part of a fleet that has any Chinese-built ships. Balsa estimates that this would affect approximately 45% of all ships in the global commercial fleet.

[6] Actually, it requires operators to transport 100% of U.S. products on U.S.-flagged, U.S.-built ships, but if you submit some paperwork, you can get that number down to 20% for your specific entity. For the sake of simplicity, I have assumed that approximately every entity will immediately file this paperwork, but it’s worth noting that this means that the provision as written is actually stricter than that.

[7] Likely, that plurality of interests prevented them from looking too hard at the issue of American shipbuilding too much in the first place

[8] Balsa was originally going to join in on the hammering, actually. We had done analysis for both the port fee and the export restrictions for our written public comment, so we had the material. But when the final list of panelists were released, it became evident that there were much bigger players who were going to make the same arguments we did around the port fees. And they were going to do it better, since they had things like exclusive industry data and entire policy teams that were larger than one person, so we might as well save our five minute allotment to focus on the more neglected policy.

[9] A comprehensive list is available here.

[10] Again, this was reasonable and unsurprising.

[11] LNG specifically refers to super-cooled liquid natural gas requiring specialized tanker vessels for intercontinental transport, while pipeline exports carry natural gas in gaseous form to Canada and Mexico. This means that 100% of LNG exports are transported via tanker vessels, and therefore subject to this restriction.

Discussion about this post

Balsa Update: Springtime in DC Read More »

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Nissan feels the effect of US-China trade war

Nissan’s future product portfolio is feeling the effects of some of Trump’s other policies. Working with congressional Republicans, the president has chosen to end federal tax incentives meant to encourage the adoption of clean energy vehicles like EVs. As a result, many new EVs will get $7,500 more expensive for most customers from October 1.

There’s no question that EV incentives help spur demand, given the higher purchase price of an EV. No credit means lower demand, so Nissan is delaying a pair of EVs it plans to build in Canton, Mississippi, according to Automotive News. The automaker has told its suppliers to expect a 10-month delay to the original schedule for an electric Nissan crossover now due for November 2028, and an Infiniti version that will now go into production in March 2029.

It’s not the first time this year that the production schedule at the factory in Canton has been torn up and redone. In April, Nissan said it had to “face reality” and accept that “the sedan market is shrinking,” as it cancelled a pair of electric sedans that were also to be built in Canton in the coming years.

Nissan feels the effect of US-China trade war Read More »

china-jumps-ahead-in-the-race-to-achieve-a-new-kind-of-reuse-in-space

China jumps ahead in the race to achieve a new kind of reuse in space


The SJ-21 and SJ-25 satellites “merged” on July 2 and have remained together since then.

This image from a telescope operated by s2a systems, a Swiss space domain awareness company, shows China’s SJ-21 and SJ-25 satellites flying near one another on June 26. Credit: s2a systems

Two Chinese satellites have rendezvoused with one another more than 20,000 miles above the Earth in what analysts believe is the first high-altitude attempt at orbital refueling.

China’s Shijian-21 and Shijian-25 satellites, known as SJ-21 and SJ-25 for short, likely docked together in geosynchronous orbit sometime last week. This is the conclusion of multiple civilian satellite trackers using open source imagery showing the two satellites coming together, then becoming indistinguishable as a single object.

Chinese officials have released no recent public information on what the two satellites are up to, but they’ve said a bit about their missions in prior statements.

SJ-25, which launched in January, is designed “for the verification of satellite fuel replenishment and life extension service technologies,” according to the Shanghai Academy of Spaceflight Technology, the Chinese state-owned contractor that developed the satellite. SJ-21 launched in 2021 and docked with a defunct Chinese Beidou navigation satellite in geosynchronous orbit, then towed it to a higher altitude for disposal before returning to the geosynchronous belt. Chinese officials described this demonstration as a test of “space debris mitigation” techniques.

More than meets the eye

These kinds of technologies are dual-use, meaning they have civilian and military applications. For example, a docking in geosynchronous orbit could foretell an emerging capability for China to approach, capture, and disable another country’s satellite. At the same time, the US Space Force is interested in orbital refueling as it seeks out ways to extend the lives of military satellites, which are often limited by finite fuel supplies.

The Space Force sometimes calls this concept dynamic space operations. While some military leaders remain skeptical about the payoff of in-space refueling, the Space Force has an agreement with Astroscale to perform the first refueling of a US military asset in orbit as soon as next year.

China appears to be poised to beat the US Space Force to the punch. The apparent docking of the two satellites last week suggests SJ-21 is the target for SJ-25’s refueling demonstration, and US officials are watching. Two of the Space Force’s inspector satellites, known by the acronym GSSAP, positioned themselves near SJ-21 and SJ-25 to get a closer look.

Retired Space Force Lt. Gen. John Shaw is a vocal proponent of dynamic space operations. Because of this, he’s interested in what happens with SJ-21 and SJ-25. Shaw was deputy commander of US Space Command before his retirement in 2023. In this role, Shaw had some oversight over GSSAP satellites as they roamed geosynchronous orbit.

“The theory behind dynamic space operations stemmed from a kind of operational frustration with our inability to conduct the full range of activities with GSSAP that we wanted to at Space Command, as the warfighter—largely due to the combination of fixed fuel availability and expected satellite lifetime,” Shaw told Ars.

As other countries, mainly China, step up their clandestine activities in orbit, military officials are asking more of the GSSAP satellites.

“It was operationally driven then, a couple years ago, but it’s now manifesting itself in much wider ways than even it did back then, particularly in the face of activities by potential adversaries,” Shaw said. “That’s why I’m more confident and even more zealous about it.”

Geosynchronous orbit is a popular location for military and commercial satellites. At an altitude of some 22,236 miles (35,786 kilometers), a satellite’s orbital velocity perfectly matches the speed of Earth’s rotation, meaning a spacecraft has a fixed view of the same region of the planet 24 hours per day. This is useful for satellites providing military forces with secure strategic communications and early warning of missile attacks.

Now, geosynchronous orbit is becoming a proving ground for new kinds of spacecraft to inspect or potentially attack other satellites. Ground-based anti-satellite missiles aren’t as useful in striking targets in high-altitude orbits, and there’s a consensus that, if you were to attack an enemy satellite, it would make more sense to use a weapons platform already in space that could move in and connect with the target without blowing it up and creating a cloud of dangerous space junk.

Keeping watch

The US military’s GSSAP satellites began launching in 2014. They carry enough propellant to maneuver around geosynchronous orbit and approach objects for closer inspection, but there’s a limit to what they can do. Six GSSAP satellites have been launched to date, but the Space Force decommissioned one of them in 2023. Meanwhile, China’s satellite operators are watching the watchers.

“We’ve seen where GSSAP safely and responsibly approaches a Chinese vehicle, and it just quickly maneuvers away,” Shaw said. “We tend to fly our GSSAPs like dirigibles, using relatively slow, minimum energy transfer approaches. The Chinese know that we do that, so it is relatively easy for them to maneuver away today to avoid such an approach.

“If tomorrow they’re able to refuel at will and operate even more dynamically, then the marginal cost of those maneuvers for them becomes even lower, and the challenge for GSSAP becomes even greater,” Shaw said.

Danish Rear Admiral Damgaard Rousøe, Danish Defence Attaché, right, observes space domain awareness data with US Space Force Lt. Col. Mark Natale, left, Joint Commercial Operations cell director, in Colorado Springs, Colorado, on September 26, 2024. Credit: US Space Force/Dalton Prejeant

China launched a satellite into geosynchronous orbit in 2016 with a robotic arm that could grab onto another object in space, then sent SJ-21 into orbit four years ago on its “space debris mitigation” mission.

Northrop Grumman launched two satellites in 2019 and 2020 that accomplished the first dockings in geosynchronous orbit. Northrop’s satellites, which it calls Mission Extension Vehicles, took control of two aging commercial communications satellites running low on fuel, maneuvering them to new locations and allowing them to continue operating for several more years. It’s easy to see that this kind of technology could be used for commercial or military purposes.

But these Mission Extension Vehicles don’t have the ability to transfer fluids from one satellite to another. That is the step China is taking with SJ-21 and SJ-25, presumably with hydrazine and nitrogen tetroxide propellants, which most satellites use because they combust on contact with one another.

US Space Command’s Joint Commercial Operations cell, which collects unclassified satellite monitoring data to bolster the military’s classified data sources, estimated the SJ-21 and SJ-25 satellites “merged” on July 2 and have remained together since then. The video below, released by s2a systems, shows SJ-25 approaching SJ-21 on June 30.

A time-lapse of yesterday’s SJ-25 / SJ-21 coverage, recorded from 08: 30 to 20: 53 UTC. pic.twitter.com/HUPWBTXZc9

— s2a systems (@s2a_systems) July 1, 2025

The unclassified data does not confirm that the two satellites actually docked, but that is likely what happened. The satellites came together, or merged, on June 13 and June 30 but separated again within a few hours. These may have been practice runs, aborted docking attempts, or sudden maneuvers to avoid the prying eyes of the US military’s GSSAP satellites loitering nearby.

Now, the SJ-21 and SJ-25 have been flying together for more than five days with no discernible changes detected from ground-based telescopes. Thousands of miles over the equator, the two satellites appear only as dots in the viewfinders of these telescopes positioned around the globe.

What we don’t know

COMSPOC is a Pennsylvania-based company that collects and processes data from commercial satellite tracking sensors. COMSPOC fuses optical telescope imagery with radar tracking and passive radio frequency (RF) data, which uses radio signals to measure exact distances to satellites in space, to get the best possible estimate of a spacecraft’s position.

“With most telescopes… at 1 kilometer or a half a kilometer, somewhere in there, you’re going to start to lose it when they get that close,” said Paul Graziani, COMSPOC’s founder and CEO, in an interview with Ars. “I think it’d be difficult for any telescope, even a really capable one, to get within 100 meters. That seems to be a stretch for telescopes.”

That’s why it’s helpful to add radar and RF data to the mix.

“When you add all of that together, you become much better than the 1-kilometer [precision] that a ‘scope might be,” said Joe Callaro, COMSPOC’s director of operations. “RF tells you if part of that blob is moving and the other part isn’t, and even when they all become one pixel, you can tell things about that.”

Even then, companies like COMSPOC have a degree of uncertainty in their conclusions unless Chinese or US officials make a more definitive statement.

“We are not working with the government,” Callaro told Ars before last week’s apparent docking. “We are not clearing this. The charge that I have for my team is we won’t make assertions as to what’s going on. We will only tell what our software gives us as a solution. We can say, ‘Here are the elements, here’s the visual, but what it means and what it’s doing, we will not assert.’

“We will not say they’re docked because unless they told me, I wouldn’t know that,” Callaro said. “So, we will say they’ve been together for this amount of time, that the mission could have happened, and then they separated, became two, and separated at whatever speed.”

SJ-21’s behavior for the last couple of years suggested it was running empty after undertaking large propulsive maneuvers to capture the Chinese Beidou satellite and move it to a different orbit.

Callaro served as a tactician in the Air Force’s Joint Space Operations Center, then joined the Aerospace Corporation before taking the job as operations lead at COMSPOC. He doesn’t buy China’s suggestion that SJ-21 was purely an experiment in collecting space debris.

“That is not how I see that at all,” Callaro said. “The fact that we can calculate all the maneuvers it takes to get out and get back, and the fact that afterwards, it spent a couple of years basically not moving, probably because it was low on fuel, sets up the idea [that there’s more to SJ-21’s mission]. Now, SJ-25 goes out there, and it’s supposed to be a fuel tank, and it’s perfectly aligned with SJ-21 and now we see this happening, tells me that it’s much more a counter-space capability than it is a trash remove. But that’s what they say.”

Unless China makes a public statement on the refueling of SJ-21 by SJ-25, observers won’t know for sure if the servicing demo was successful until the satellites detach. Then, US officials and independent analysts will watch to see if SJ-21 makes any substantial maneuvers, which might indicate the satellite has a full tank of gas for whatever mission Chinese officials send it off to do next.

Listing image: Costfoto/Future Publishing via Getty Images

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.

China jumps ahead in the race to achieve a new kind of reuse in space Read More »