Tag: spaceflight

Canada cancels $72 million contract to build constellation to track wildfires

9:48 am

In what appears to be an unexpected decision, the Canadian government this past week suddenly terminated a $72 million contract with the company Spire Global Canada to build a constellation of satellites designed to locate and track wildfires.

According to a Form 8-K filed with the U.S. Securities and Exchange Commission, Spire Global received a written notice on April 23, 2026, from the Minister of Public Works and Government Services (PWGS) terminating the agreement “for convenience,” effective immediately. The Phase B and C contract would have had an aggregate value of $71.8 million, including harmonized sales tax, if all contractual milestones had been achieved. The value of the overall WildFireSat satellite constellation including Phase D for manufacturing, system assembly, and integration is $106 million.
WildFireSat mission setback

This represents a serious setback for the Canadian Space Agency (CSA) and other government departments who are participating in the mission. Only a month ago the project was being touted as high return-on-investment climate mission in the annual Canadian Space Agency 2026–27 Departmental Plan.

The plan had called for a constellation of nine smallsats, with one back-up ready for launch on the ground.

No reason has been given for the cancellation. The Canadian Space Agency merely stated that “The Government of Canada will soon be engaging with industry and begin working closely with stakeholders on how best to advance the continued development of this important mission.” Spire Global meanwhile has until May 7th to apply for settlement costs.

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SpaceX’s Falcon Heavy launches Viasat communications satellite

9:32 am

Falcon Heavy at lift-off today
Falcon Heavy at lift-off today

SpaceX this morning successfully placed a Viasat communications satellite into orbit, its Falcon Heavy rocket lifting off from Cape Canaveral Space Force Station in Florida.

This was the first Falcon Heavy launch in about eighteen months. The two side boosters completed their 2nd and 22nd flights respectively, landing back at Cape Canaveral. Fairings completed their 18th and 25th flights respectively.

The leaders in the 2026 launch race:

51 SpaceX
23 China
8 Russia
6 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 51 to 43.

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Rocket Factory Augsburg submits license application for a Saxavord launch window opening on July 1, 2026

8:30 am

Proposed or active spaceports in North Europe
Proposed or active spaceports in North Europe

The German rocket startup Rocket Factory Augsburg has now submitted a new marine license application to allow it to attempt the first launch of its RFA-1 rocket from the Saxavord spaceport on the Shetland Islands in Scotland, with a launch window opening on July 1, 2026.

Rocket Factory had hoped to do this launch in 2024, but lost the first stage mere weeks before launch when it exploded during a final static fire test on the launchpad. Since then the company has undergone a management shake-up and made major changes to operations and its rocket.

To do this launch, however, it needs a new launch license, and that is a major problem. The company’s announcement is filled with numerous vague qualifiers, as it knows getting the bureaucracies in the United Kingdom to move quickly in this matter is nigh on impossible.

This is a legally required step for planning, and a good sign of how far we’ve come – but it’s not a launch date just yet. We applied for this window because we’re working hard to be ready – and we’re getting closer every day.

So: the application means we’re entering a new phase of preparation. Still, as with any first-ever launch, there are uncertainties, and the schedule may evolve. Further specific details around launch timing will be released through the appropriate channels closer to the time. We’ll keep you posted!

In other words, the company will not be surprised if it doesn’t get its license in time for July, and is prepared for delays.

Another German rocket startup, Isar Aerospace, has been trying to launch its Spectrum rocket from Norway’s Andoya spaceport since January, with the launch scrubbed several times due to technical issues. Right now the launch its tentatively scheduled for May, which means the race to achieve the first orbital launch from Europe is tightening considerably.

If I had to place a bet, my money would be on Isar, not Rocket Factory, and the reason would be because I truly doubt the British bureaucracy will issue a license on time. Its track record has been abysmal, sometimes taking years to give an okay. In this case it might not take that long, since Saxavord has gotten all its own permits already (after years of waiting) but no one should be confident it will act with speed. And it is clear that the people at Rocket Factory are not.

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California Coastal Commission settles SpaceX lawsuit by apologizing and conceding all points

8:01 am

Wants to be a dictator
Wanted to be a dictator; ended up being
a patsy.

SpaceX yesterday settled its lawsuit [pdf] with the California Coastal Commission when the commission agreed to apologize to the company and agree it has no authority to regulate any SpaceX launches at Vandenberg Space Force Base.

The Commission agrees that it may not consider irrelevant factors in performing its function and specifically agrees that it will not take into account the perceived political beliefs, political speech, or labor practices of SpaceX or its officers in considering any regulatory action concerning SpaceX. The Commission acknowledges that Commissioners made statements, including during their October 10, 2024, hearing on the Base’s Falcon 9 launch program, that showed political bias against SpaceX and its CEO and were improper. The Commission apologizes for those statements, as set forth in the signed letter attached as Exhibit C.

The commission also agreed that it has no authority to regulate SpaceX’s launch rate at its launchpads at Vandenberg, and will never again attempt to interfere with these operations.

The SpaceX lawsuit stemmed from the comments made by the commissioners at a meeting in October 2024 when then voted against the military’s plan to allow SpaceX to increase its launch rate at Vandenberg spaceport to up to 50 launches per year. In those comments, the commissioners made it clear that the main reason they were voting against the motion was because they were offended by Elon Musk and his political positions, not because the company was doing anything wrong.

While the settlement does not restrict the commission’s right to regulate off-base actions, or other aspects under its statutory authority, this settlement is a complete victory for SpaceX. The commission members were probably made aware that if they didn’t back down completely, they would be personally liable for a great deal of damages. As a result of this settlement, they are absolved of all liabilities.

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A cool crater in Starship’s prime candidate zone on Mars

11:14 am

Overview map

Crater in the Starship landing zone on Mars
Click for original image.

Cool image time! The picture to the right, rotated, cropped, reduced, and enhanced to post here, was taken on August 16, 2025 by the high resolution camera on Mars Reconnaissance Orbiter (MRO). In mid-March it was featured as a captioned image by MRO’s science team. From their caption:

When they form, impact craters dig up material from below the surface and throw it outwards into what geologists call an ejecta blanket. The fastest ejected material travels the furthest so material from different depths can end up at different distances from the crater.

This HiRISE image shows a pedestal crater in Arcadia Planitia that has material of different brightness and color at various distances from the crater. This could tell us more about the material that’s buried below the surface here, but the situation is complex.

The caption however fails to mention the most interesting two aspects of this crater’s ejecta blanket. One, it suggests strongly that there was a lot of near surface ice at impact that melted to produce this splash apron.

Second, and even more intriguing, the 3,100-foot-wide unnamed crater is located smack dab in the middle of the candidate landing zone on Mars for SpaceX’s Starship spacecraft, as shown by the overview map above. The white dot marks the location of this crater, while the red dots mark the four prime landing sites, as suggested by scientists in a 2021 paper [pdf], based on conclusions drawn from two workshops organized by SpaceX and these scientists. The other dots are other MRO images of this region, and include a number of potential secondary landing sites.

This zone is in the northern lowland plains of Mars, in a mid-latitude region where near-surface ice is plentiful. The splash apron of this crater provides further evidence of that near surface ice.

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FAA to begin taxing launches by payload weight

8:44 am

FAA logo

As per the provisions in last year’s reconciliation budget bill (dubbed for propaganda reasons by Trump the “One Big Beautiful Bill Act”), the FAA was authorized to begin charging fees (another word for taxes) on the mass of each launch payload. The agency last week announced it is now doing so.

More information here.

For 2026, that fee is 25 cents per pound of payload, capped at $30,000 per launch or reentry. The fees would fund work on improving integration of launches and reentries into the national airspace system directed by an FAA reauthorization act in 2024.

Though the amount per launch is small compared to the cost of the launch itself, this new tax is expected to provide ample funds to allow the FAA to expand its licensing operations to meet the growing launch industry. The real challenge will be whether the bureaucracy can stay focused on its main task of serving the public, or use the money to build a new bureaucratic empire aimed at garnering power over the private sector. History suggests we should be pessimistic, and expect the latter.

In the meantime, rocket companies are simply going to apply this new tax to the makers of their payloads, who in turn will have their customers pay the cost.

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ULA launches 29 Leo satellites

8:29 am

ULA last night successfully launched another 29 Amazon Leo satellites into orbit, its Atlas-5 rocket lifting off from Cape Canaveral Space Force Station in Florida.

ULA is in the process of retiring the Atlas-5 rocket. It now has only eight Atlas-5 rockets left in stock, with two reserved for Leo launches and six for Boeing’s Starliner manned capsule (though there is a good chance some if not all of the Starliner launches will be switched to other payloads). Because its Vulcan rocket, intended to replace Atlas-5, is presently grounded, the company appears to be accelerating Atlas-5 launches, with this launch only about 24 days after the previous launch.

With this launch, Amazon now has 270 Leo satellites in orbit, out of the 1,616 it needs to launch by July to meet its FCC license requirement. Because it is not expected to meet that requirement, the company has asked for a time extension, which the FCC is presently considering.

As this was only the third launch by ULA in 2026, the leader board for the 2026 launch race remains unchanged:

50 SpaceX
23 China
8 Russia
6 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 50 to 43.

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An excellent overview of AST SpaceMobile following the New Glenn launch failure

10:51 am

Link here. For an article in a mainstream media outlet the writing is remarkable in its general accuracy and understanding of the larger context. It is also quite thorough, covering all aspects of AST SpaceMobile’s business model and how it stacks up against its main competitor, SpaceX’s Starlink.

According to the article, the company still hopes to get as many as 45 of its large new Bluebird satellites in orbit by the end of this year, though it admits the New Glenn failure now makes that goal more difficult. As the article notes:

AST SpaceMobile is continuing to manufacture, assemble and test satellites in Midland, and it will soon ship three new BlueBird satellites for launch on a yet-to-be-announced rocket. [emphasis mine]

That unnamed rocket is likely the Falcon 9, but at some point AST must find other rockets, as there is likely a limit to how many launches SpaceX can provide. Both ULA’s Vulcan rocket and Blue Origin’s New Glenn are both presently grounded because of launch failures, and other than SpaceX’s Falcon-9 and Falcon Heavy they are the only American rockets capable of launching the Bluebirds. It is also doubtful AST can buy flights on Europe’s Ariane-6 rocket. Though that rocket has had trouble garnering customers because of its high cost, its operator, the European Space Agency’s (ESA) commercial agency Arianespace, has also been very slow to ramp up operations. Even if AST was willing to pay a premium, Arianespace would likely not be able to fit extra launches into its schedule.

Overall, this situation illustrates a great opportunity. There is a strong demand for rockets from the satellite industry that the present rocket industry — excluding SpaceX — has been unable to meet.

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Starlink returns to Papua New Guinea after court ruling

9:22 am

SpaceX’s Starlink internet service will once again be available in Papua New Guinea after its court this week overturned a ban that had been imposed by a government bureaucracy.

In early 2024, the [Ombudsman] Commission blocked licensing efforts for Starlink, arguing that existing regulations may not be adequate to manage potential risks to public interest and safety.

But in her National Court ruling last week, Judge Susan Purdon-Sully strongly criticised the Ombudsman Commission for its move to halt Starlink’s license process. Finding no breach of PNG’s leadership code, nor evidence of corruption, the judge said the Ombudsman’s concerns were more administrative, meaning its directive to NICTA had been “an unconstitutional exercise of power”.

Meanwhile, the prime minister again urged Starlink to work collaboratively with state-owned Telikom PNG to “ensure a coordinated rollout that complements national infrastructure priorities”.

The article describes in detail several recent natural disasters where the lack of Starlink was a critical component in rescue and repair operations. The country also has large rural areas where Starlink is the only method for reaching the rest of the world quickly. There was thus apparently great political pressure to end this ban.

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Avio makes more from its Vega-C rocket now that Arianespace is out of the picture

9:07 am

According to a report today at Europeanspaceflight.com, the European Space Agency (ESA) paid Arianespace €51.65 million ($60.6 million) for a December 2024 launch using the Vega-C rocket that the Italian company Avio produces.

That flight was one of the last ones managed by Arianespace. In November 2025 ESA completed the transfer of ownership back to Avio, so that the company now manages and sells its own rocket, rather than have a middle-man government agency run things and take a cut.

Since then Avio has won three separate launch contracts, one from Taiwan for $81 million, another from Brazil for $35.6 million, and a third from Airbus for $84.4 million (see here).

Based on these numbers, it appears that Avio is doing much better selling this rocket directly to the market than having Arianespace and ESA run things for it. It is not only generally getting slightly more revenue per launch (about $67 million average compared to $60.6 million under Arianespace), but it is keeping all the profits, rather than having the Arianespace government bureaucracy take a percentage.

These numbers however won’t hold in the coming years. In the U.S. in the next year at least two reusable rockets — Rocket Lab’s Neutron and Stoke Space’s Nova — are coming on line, and will drive these launch prices down. Furthermore, new smallsat rockets being developed in Germany (two), Spain, India (two), South Korea, and Australia should do the same.

At the moment however Avio is benefiting from the present state of the market, though even that advantage is threatened because it has had to delay the next Vega-C launch due to a technical issue.

Regardless, these numbers give us a strong sense of the present competitive launch costs in today’s market, averaging about $60 million per launch. Before SpaceX came along, that price generally exceeded more than $100 million, and often as high as $200 to $500 million. No more. SpaceX has forced competition on the industry, and the result has been a notable drop in price, with more to come.

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Australian rocket startup Gilmour pinpoints cause of first rocket launch failure

8:01 am

Eris rocket launch and failure
Click for video, cued to just before launch. The red
dot marks the launchpad location.

The Australian rocket startup Gilmour Space on April 24, 2026 released the results of its investigation into the launch failure seconds after liftoff of its Eris rocket in July 2025.

Our investigation found that approximately nine seconds after ignition, one of the four first-stage hybrid rocket motors experienced a loss of thrust. A second motor exhibited similar behaviour at around 17 seconds, reducing vehicle performance and bringing the mission to an early end.

Analysis identified two independent failure modes originating from the oxidiser pump subsystem. Electrical and thermal faults were observed in the electric pump motors and associated inverters, including components sourced from an external supplier. We now have a clearer understanding of the underlying causes.

The company hopes to try again later this year, but to do so it will need license approval from Australia’s bureaucracy, and such approvals have not been quick.

Hat tip BtB’s stringer Jay.

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Two space station startups strengthen their positions

11:17 am

The American space stations under development

The startups building the commercial space stations Haven-1 and Starlab this week made deals that will further strengthen their positions both to win future NASA contracts while also making their own operations more functionally viable.

First, Vast, which hopes to launch its Haven-1 single module demonstration station next year and follow it up with its full Haven-2 station (as shown to the right), signed a deal with former NASA astronaut Sunita “Suni” Williams, making her the fifth astronaut to join the company’s astronaut advisory committee.

Former NASA astronaut and U.S. Navy Captain Sunita “Suni” L. Williams has joined Vast as an Astronaut Advisor. She joins Vast’s esteemed group of Astronaut Advisors led by Lead Astronaut Andrew Feustel, including Garrett Reisman, Megan McArthur, and former JAXA astronaut and Vast Japan General Manager Naoko Yamazaki.

It is clear each one of these former government astronauts sees the possibility of flying again to Vast’s Haven-1 station, which the company hopes to have occupied four times for two weeks during its three year mission. They are also hoping to be part of the much larger Haven-2 station to follow.

Vast in turn is now assembling a staff of very experienced professional astronauts it can use to lead all these proposed missions.

Next, Voyager Technologies, the lead company in the consortium building the single-module large Starlab station that will launch on Starship, signed an agreement with Yonsei University in Seoul, South Korea. While initially the deal will have the university do research at Voyager’s research facility in Ohio, it also lays the groundwork for the univesity to eventually get access on Starlab, once launched.

For Voyager this deal helps show NASA that there is a real market for these private stations, something NASA administrator Jared Isaacman has expressed doubts about.

In my rankings below of the five stations under development, the first three stations remain essentially tied for first place.
» Read more

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SpaceX launches 25 more Starlink satellites

10:08 am

SpaceX this morning successfully placed another 25 Starlink satellites into orbit, its Falcon 9 rocket lifting off from Vandenberg Space Force Base in California.

The first stage completed its 15th flight, landing on a drone ship in the Pacific.

The leaders in the 2026 launch race:

50 SpaceX
23 China
8 Russia
6 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 50 to 42.

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Indian rocket startup Skyroot now shipping its Vikram rocket to launch site

9:54 am

The Indian rocket startup Skyroot has now finished assembling its Vikram-1 rocket, and is about to ship it to its launch site at the Sriharikota spaceport on the east coast of India.

At Sriharikota, the rocket moves into final assembly and a round of system checks before a launch window is locked in the coming months. This is the last stretch before liftoff. Countdown operations, testing and integration now shift fully to the launch site.

One of the company’s founders said the most critical testing has been completed, with launch campaign activities set to begin at the spaceport.

The company is presently targeting a launch in June. If Vikram-1 reaches orbit successfully, Skyroot would become the first Indian private company to design, build, and launch its own rocket, and would be well positioned to win launch contracts from smallsat companies, competing directly with Rocket Lab and its Electron rocket.

This success would also help accelerate the Modi government’s effort to transition from a space industry controlled entirely by its government space agency ISRO to a private industry run by competing indepedent companies.

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Why is Sierra Space’s Dream Chaser spacecraft not ready for flight?

9:39 am

In a press release posted last week Sierra Space proudly announced that its Tenacity Dream Chaser mini-shuttle has completed its pre-launch ground vibration tests at the Kennedy Space Center in Florida, but instead of moving the mini-shuttle to a local facility where it could be integrated with its rocket for launch, the company announced it was shipping it back “to Colorado for final modifications and mission-specific upgrades.”

Normally when a spacecraft, satellite, or any payload passes these last ground tests, it is ready for launch, and it immediately begins integration onto the rocket that will carry it into space. That Sierra Space is not doing this strongly suggests Tenacity did not pass with flying colors, and that some issues were identified that need correction.

Note too that this spacecraft had been delivered for these tests in early 2024, and had been expected to pass them then and be launched that year. Instead, months passed with no word, then its launch was postponed indefinitely, and then NASA canceled Sierra’s contract to provide cargo to ISS.

Now, two years later Tenacity is still not ready for launch. Though the company says the ground tests are now complete, I suspect otherwise. I suspect there is some fundamental issue with the spacecraft that they are hiding because to reveal it would be devastating to Sierra’s public reputation.

Until we know more however this is pure speculation on my part. What we do know however is that this mini-shuttle has not done what was promised, and increasingly appears to be a lemon that will never do it.

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Two launches today, by China and Russia

3:30 pm

Both China and Russia completed launches today. First China put a Pakistani Earth observation satellite into orbit, its Long March 6 rocket lifting off from Taiyuan spaceport in north China. China’s state-run press made no mention of where the rocket’s lower stages, using very toxic hypergolic fuels, crashed inside China.

Next Russia launched a Progress cargo capsule to ISS, its Soyuz-2 rocket lifting off from Baikonur in Kazakhstan. The freighter will dock with ISS in two days.

The leaders in the 2026 launch race:

49 SpaceX
23 China
8 Russia
6 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 49 to 42.

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Soyuz launch site destroyed at French Guiana

9:56 am

As promised, the Soyuz-2 launch site at France’s French Guiana spaceport was destroyed in a controlled explosion yesterday.

I have embedded video of the explosion below.

The remaining infrastructure at the site—including the assembly and testing complex, railway lines, liquid oxygen storage facilities, and fueling systems—will be transferred to MaiaSpace, a French startup affiliated with Arianespace. The company plans to reuse up to 80% of the existing infrastructure for its own launch vehicle program.

MaiaSpace is not “affliated with Arianespace.” It is a wholly owned subsidiary of ArianeGroup, the company that makes the much larger rocket Ariane-6. The company hopes MaiaSpace’s smaller Maia rocket can capture some of the smallsat business presently owned by Rocket Lab and SpaceX.

The Russians had almost a dozen launches scheduled from this launchpad, worth more than a billion dollars in revenue, when Putin decided to invade the Ukraine in 2022. Russia immediately became a pariah to the rest of the work. That revenue instantly vanished and the companies found other launch providers.

Europe meanwhile gave control of French Guiana back to France, which owns it. France in turn has now been leasing out the unused launchpads there to new rocket startups. Though some pie-in-the-sky academics lobbied to preserve the Soyuz launchpad for “historical reasons”, the French had no desire to do so. Better to make money.
» Read more

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China launches another “set of test satellites promoting internet technology”

8:30 am

China today successfully placed what its state-run press described merely as “a new set of test satellites promoting internet technology”, its Long March 2D rocket lifting off from its Xichang spaceport in southwest China.

No word on where the rocket’s lower stages, using very toxic hypergolic fuels, crashed inside China. The state-run press did add this about the payloads:

These satellites will be mainly used to carry out technology tests and verifications, including direct satellite-to-phone broadband connectivity and space-ground network integration.

The leaders in the 2026 launch race:

49 SpaceX
22 China
7 Russia
6 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 49 to 40.

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Isaacman before Congress: Speaking the truth to power

1:24 pm

Jared Isaacman at House hearing yesterday
Jared Isaacman at House hearing yesterday

There has been a lot of attention given by the propaganda press to the testimony yesterday by NASA administrator Jared Isaacman before the House Science Committee, with almost all of that coverage focused on two issues, Trump’s proposal to cut NASA’s budget significantly, and the public statement by Isaacman that two Lunar Gateway modules were delivered “corroded.”

On the corrosion issue, much of the press focused on whether Isaacman’s statement is true (contractors are denying it). I instead was struck by how little pushback there was overall from Congress about Isaacman’s proposal to cancel Gateway entirely. In two hours of testimony, only one congressman brought it up, and even he did not challenge Isaacman’s decision very strongly.

Put simply, it really didn’t matter whether these modules were corroded or not. Congress is not going to challenge Isaacman on this decision. Some politicians might use it in fund-raising letters or at press events as a hammer to win votes or donations, but when it comes time to approve NASA’s budget, they are willing to accept Isaacman’s overall judgment. Gateway will be gone.

As for the budget cuts, I was also struck by the lack of hard opposition from Congress, despite reporting from the propaganda press (like this story) suggesting the cuts were rejected outright. Though repeatedly Isaacman was questioned about those cuts — especially from Democrats — repeatedly he fought back hard, to good effect. He supports Trump’s cuts and does not want more money, because in reviewing NASA’s budget and recent actions, he has found there is ample cash available in Trump’s reduced budget by simply shutting down bad or duplicative projects and focusing his resources more effectively.

The only threatened program that seemed to generate any passion from Congress was Trump’s effort to eliminate NASA’s education STEM program. “We need this program to inspire kids!” they would say. Isaacman would bluntly respond “No we don’t,” noting that NASA issues millions in education grants outside that program (making that program duplicative and unnecessary), and that the best way NASA can inspire kids is to actually fly missions, not send money to some bureaucratic program. Isaacman wants to use that money to make building the lunar base more likely.

Over and over again Isaacman pulled the rug out from under this big-spending congress critters by simply pointing out the truth to them, with one exchange with Zoe Lofgren (D-California) quite typical. She clearly was opposed to Trump’s cuts and wanted to challenge any cancellations being put forth. To do so, however, she wanted Isaacman to provide more detailed information about those cuts. Issacman said sure, I’m glad to provide you everything you want, but then added this:
» Read more

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ESA: Full-sized model of its Space Rider reusable capsule is ready for landing drop tests

10:08 am

Artist rendering of Space Rider in orbit
Artist rendering of Space Rider in orbit. Click for original.

My heart be still! The European Space Agency (ESA) yesterday announced that a full-sized model of its Space Rider reusable capsule is now ready for landing drop tests from a helicopter.

The avionics – Space Rider’s ‘brain’ – were installed in the second week of March. This computer hosts the Guidance, Navigation and Control algorithms that will steer the parafoil, adapting to the wind – including any gusts– to guide Space Rider to a soft landing.

Roughly the size of a mini-van, the drop-test model is a full-size stand-in for the 4.6-m long reentry module, Space Rider lands on skis with the landing gear permanently open on this model as the mechanism is not part of the drop test.

To get an idea how unserious ESA is, we need to review this project’s overall schedule. This reusable capsule concept — which appears to be a variation of either Varda’s returnable capsule or Boeing’s X-37B — was first tested by ESA in 2015. By 2017 the agency was promising it would be flying commercially by 2025. A decade later and they have not yet begun testing a full scale spacecraft.

And the development pace now is glacial. Last summer ESA did helicopter drop tests of just the “brain” and parafoil. It is now going to do those drop tests again, a year later, with this full scale model. Expect another year to pass — at a minimum — before it tries another set of helicopter drop tests, this time with the first actual Space Rider capsule.

At this pace, Space Rider might fly by 2030, maybe. In the meantime, expect at least a half dozen private capsules to fly commercially, for profit. Following Varda’s success investment capital has poured into this industry. All will go from a blank sheet of paper to a flight model in less than five years.

And even if ESA finally gets Space Rider operational, it has established some very complex rules about who can use it commercially, rules so complex I predict few will be interested.

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Russia launches the smallest version of its Angara rocket

9:34 am

Russia today successfully launched the smallest version of its Angara rocket, dubbed Angara-1.2, from its Plesetsk spaceport in northeast Russia, placing a number of classified payloads into orbit.

Russia’s state-run press released almost no information about this launch, partly because of its military nature but also because it has discovered recently that the Plesetsk spaceport is within range of Ukrainian drones, with one attack causing a launch to be scrubbed.

The leaders in the 2026 launch race:

49 SpaceX
21 China
7 Russia
6 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 49 to 39.

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China picks two Pakistanis to train for a future Tiangong-3 mission

9:22 am

As part of its Soviet-style propaganda effort to promote its space program, China yesterday announced the names of the two Pakistanis who will train for a future short mission to its Tiangong-3 space station.

The agency said in a statement that Muhammad Zeeshan Ali and Khurram Daud will come to China soon as reserve astronauts for training. After completing all training and evaluations, one of them will participate in a space mission as a payload specialist, becoming the first foreign astronaut onboard the Tiangong space station.

This flight is part of Pakistan’s partnership with China in its International Lunar Research Station (ILRS) project to build a lunar base, created by China to counter the U.S.’s Artemis Accords alliance. Pakistan will also fly a small demo rover on China’s Chang’e-8 unmanned lunar mission, scheduled presently for a 2029 launch.

While the American alliance has now signed 63 nations covering most of the world’s major nations, only thirteen nations and about eleven eleven academic or governmental bureaucracies — mostly third world — have joined China.

This Chinese international manned mission mirrors largely what the Soviets would do during the Cold War, flying someone from one of its captured countries to garner international propaganda points. Do not expect these astronauts to do much concrete work. During the Soviet era, the Russians would joke that these foreign astronauts would all get “red hands” disease, caused whenever they tried to touch anything and a Russian astronaut would then slap their hands, saying firmly “Don’t touch that!”

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SpaceX launches 24 more Starlink satellites

10:13 pm

SpaceX this evening followed up Rocket Lab with its own launch of 24 more Starlink satellites, its Falcon 9 rocket lifting off from Vandenberg Space Force Base in California.

The first stage completed its fifth flight, landing on a drone ship in the Pacific.

The leaders in the 2026 launch race:

49 SpaceX
21 China
6 Russia
6 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 49 to 38.

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Rocket Lab launches satellites for Japan’s space agency JAXA

9:56 pm

Rocket Lab today successfully placed eight smallsats for Japan’s space agency JAXA, its Electron rocket lifting off from one of its two launchpads in New Zealand.

Because all of JAXA’s rockets are presently grounded due to technical failures, Japan’s space agency has had to turn to Rocket Lab. In fact, these eight satellites were originally supposed to launch on JAXA’s Epsilon-S rocket, which remains grounded after an explosion during a static fire test. There have been no updates on the status of Epsilon-S since December 2024.

Rocket Lab was also supposed to do a suborbital hypersonic test flight yesterday out of Wallops Island in Virginia, using the first stage of Election in its HASTE suborbital configuration. As this is a test for the War Department, little information is generally released. This video from a distance confirms the launch apparently took place, but whether it was a success or not remains unknown. That Rocket Lab’s announcers did not tout its success either before or after today’s JAXA launch — as they have routinely done in the past — suggests something might have gone wrong, though this too is pure speculation.

The leaders in the 2026 launch race:

48 SpaceX
21 China
6 Russia
6 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 48 to 38.

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Curiosity looks at a small crater as it climbs Mount Sharp

11:50 am

Antofagasta crater
Click for full resolution. Click here, here, and here for original images.

Cool image time! The panorama above, created from three pictures taken by the right navigation camera on the Mars rover Curiosity (see here, here, and here), takes a look at a small relatively fresh crater on the slopes of Mount Sharp. From an update from the rover’s science team yesterday:

At the beginning of the week, Curiosity arrived right on target on the rim of the 10-meter (33 feet) “Antofagasta” crater. The crater looked fresh and deep as we had hoped with a nice well-defined rim that didn’t look too eroded, but the bottom of it turned out to be filled with dark rippled sandy material that covered up the most interesting rock layers. There were a few rock exposures just above the sand cover that seemed like they might have been deep enough to have been sheltered from space radiation between the time their sediments were deposited and the crater-forming impact, but reaching them from the rim would have put the rover at such an awkward angle that we wouldn’t have been able to deliver the sample to the instruments.

Overview map
Click for interactive map.

It’s possible that we might have been able to get into a better position by instead placing the rover on the rippled crater fill, but the chance that the rover could get stuck in all that sand made it much too high a risk. We also looked at the nearby blocks in case they could have been ejecta from the crater, but since all the rocks visible in the crater wall looked very similar to each other, there wasn’t a good way to tell which ejecta blocks might have come from the deeper layers of the crater. Because of this, the team decided against attempting to drill in or around the crater.

The overview map to the right provides the context. The blue dot marks Curiosity’s location when the pictures above were taken. The yellow lines roughly indicate the area covered by the panorama. The red dotted line marks the future planned route, the white dotted line the rover’s actual travels.

Note the flat rocks in the foreground of the panorama, all part of the crater’s rim. Each looks like a large flat paving stone that was very precisely shattered into numerous tiny pieces, all about the same size. Very strange. On Earth you’d assume some craftsman had laid these small pieces down like tiles, but of course, that couldn’t have happened on Mars.

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European startup Atmos raises €25.7 million to develop its orbital research capsules

9:18 am

Atmos' Phoenix-2 during re-entry
A graphic showing Atmos’ Phoenix-2 capsule during re-entry,
protected by an inflatable shield. Click for more information.

The European startup Atmos announced today that it has raised an additional €25.7 million [$30 million] as part of its ongoing commercial program to develop its Phoenix orbital research capsules that will fly in space for several months — where products can be produced in weightlessness — and then return those products safely to Earth.

The funding will support an initial three-vehicle PHOENIX 2 fleet, the launch of ATMOS WORKS for governmental and defence customers, and development of PHOENIX 3, the company’s next-generation orbital return vehicle.

The round is co-led by Balnord and Expansion, and joined by Keen Defence and Security. The European Innovation Council (EIC) participates through its Accelerator programme via blended financing, combining grant and equity components. Additional investors include OTB Ventures, High-Tech Gründerfonds (HTGF), APEX Ventures, Seraphim, Faber, E2MC, Kirch Ventures, Lennertz & Co., Mätch VC, MBG Baden-Württemberg, and Tech Horizons.

Since the American company Varda successfully demonstrated there was money to be made flying these small recoverable capsules, investment capital has poured into this industry. In the U.S. Varda, Inversion Space, and Sierra Space, have raised money for doing such orbital work. In Europe, The Exploration Company in France, Atmos in Germany, PLD in Spain, Genesis in Croatia, and Space Cargo in Luxembourg have also raised capital.

At this moment, however, only Varda has successfully launched and recovered a capsule.

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Northrop Grumman lost $71 million from its bottom line because of its solid-fueled booster failures

9:00 am

In its most recent financial statement, Northrop Grumman admitted it took a $71 million charge due to nozzle failures on two of its solid-fueled boosters, dubbed GEM 63XL, during two different launches of ULA’s Vulcan rocket.

In a statement about its first-quarter financial results, the company said its Space Systems division recorded a $71 million “unfavorable adjustment” to earnings at completion on its GEM 63XL booster “associated with a launch anomaly that occurred during the first quarter.”

The GEM 63XL solid-fuel booster is used on United Launch Alliance’s Vulcan Centaur rocket. On a Feb. 12 launch, one of four boosters shed debris about 65 seconds after liftoff. The “observation,” as ULA termed it initially, did not affect the success of the USSF-87 mission, placing its payload into its planned geosynchronous orbit.

ULA later called the incident a “significant performance anomaly” with the booster that it would investigate before returning Vulcan to flight. The vehicle has not launched since then.

A similar incidence took place during an earlier Vulcan launch, with the rocket’s core stage and the remaining undamaged boosters getting the payload into the proper orbit. The continuing problem however has now grounded Vulcan, though the military is considering using it for some small payload launches, without the GEM strap-on boosters.

As a result, the Pentagon has already shifted several launches from ULA to SpaceX, costing ULA a significant amount of revenue. In addition, Vulcan’s grounding will impact the launch of Amazon’s Leo internet constellation, which had a major contract with ULA to get its Leo satellites into orbit.

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Jordan to sign the Artemis Accords

7:42 pm

According to a press announcement tonight from NASA, Jordan will sign the Artemis Accords on April 23, 2026 at NASA headquarters in Washington, DC.

NASA Administrator Jared Isaacman will host Ambassador Dina Kawar of the Hashemite Kingdom of Jordan and U.S. Department of State Principal Deputy Assistant Secretary for Oceans and International Environmental and Scientific Affairs Ruth Perry for the ceremony.

Jordan becomes the 63rd nation to sign the accords. It also joins Bahrain, Oman, Saudi Arabia, and the United Arab Emirates from the Arab Middle East. While it is certainly wise to not trust any nation controlled by Islam, having these nations allied with us in space will help mitigate the worst aspects of their religion. That they are also joining a space alliance that includes Israel is another indication that they are realizing that their future is better aligned with Israel than against it.

The full list of nations in this American space alliance is as follows:

Angola, Argentina, Armenia, Australia, Austria, Bahrain, Bangladesh, Belgium, Brazil, Bulgaria, Canada, Chile, Colombia, Cyprus, Czech Republic, Denmark, Dominican Republic, Ecuador, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, India, Israel, Italy, Japan, Jordan, Latvia, Liechtenstein, Lithuania, Luxembourg, Malaysia, Mexico, the Netherlands, New Zealand, Nigeria, Norway, Oman, Panama, Peru, Poland, Portugal, Romania, Rwanda, Saudi Arabia, Senegal, Singapore, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, Thailand, the Philippines, the United Kingdom, the United Arab Emirates, the Ukraine, the United States and Uruguay.

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Japan to do test launch of its H3 rocket in June

1:28 pm

Japan’s space agency JAXA is now planning a test launch on June 10, 2026 of its H3 rocket, carrying a dummy payload only in order to test the changes it has made in the rocket after a failed launch in December 2025.

The failure of the eighth H3 rocket was likely caused by an adhesion problem in the satellite mounting structure, which led it to break apart during flight, according to an investigation by JAXA. Similar issues were found in other units, prompting the space agency to fix them so the components can maintain their structural integrity.

In the June launch, a dummy satellite will be mounted on the test vehicle to collect data and verify the effectiveness of the measures. For future launches of actual satellites or space probes, JAXA plans to review the mounting structure design to reduce the risk of failure.

In other words, the method for attaching the payload to the rocket at some points failed, so that the satellite separated prematurely. The June launch will be to test a new mounting system.

Posting has been light the last few days as I deal with recovery from knee surgery.

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Two launches by SpaceX

12:02 am

In the past two days SpaceX completed two more launches. The first, yesterday morning, placed 25 more Starlink satellites into orbit, its Falcon 9 rocket lifting off from Vandenberg Space Force Base in California. The first stage completed its 8th flight, landing on a drone ship in the Pacific.

Then tonight SpaceX launched a GPS satellite for the Space Force, its Falcon 9 rocket lifting off from Cape Canaveral Space Force Station in Florida. The first stage completed its 7th flight, landing on a drone ship in the Atlantic. That drone ship, “Just read the instructions,” is now being shifted to support Starship operations, and will no longer be used for Falcon 9, after supporting 155 first stage landings. What it will do in connection with Starship has not been made clear. The two fairing halves completed their 2nd and 3rd flights respectively.

The Space Force had originally intended to launch this satellite on a ULA Vulcan rocket, but a month ago it shifted the contract to SpaceX because of the nozzle problem that has plagued two different ULA Vulcan launches. Because of this shift, the time from contract award to launch was the quickest by SpaceX for the Space Force.

The leaders in the 2026 launch race:

48 SpaceX
21 China
6 Russia
5 Rocket Lab

For the third straight year SpaceX continues to lead the entire world combined in total launches, 48 to 37.

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