Space Force awards SpaceX $2.29 billion contract for military data constellation

In what is intended as an upgrade to the Starshield military variation of SpaceX’s Starlink constellation, the Space Force yesterday awarded SpaceX a $2.29 billion contract to launch a “data transport constellation in low Earth orbit (LEO) for the Space Data Network (SDN), which the service is developing as its central communications network to link sensors to shooters.”

Under the Other Transaction Authority agreement, the company is to deliver “a fully operational prototype capability by the end of 2027,” Space Systems Command (SSC) said in a press release.

The SDN Backbone, formerly known as MILNET and based on SpaceX’s Starshield militarized variant of its commercial Starlink constellation, will serve as the backhaul data transport layer for the broader SDN. While the award to SpaceX is thus not a surprise, the size of the contract is.

It appears that the Pentagon has been so satisfied with its use of both Starlink and Starshield that it was quite willing to give SpaceX this new larger contract.

The good part of this story is that SpaceX is providing good service to the American people, through the Pentagon. The bad part of this story is that it is getting so little competition from the rest of the aerospace industry. This was work that Amazon could have won, had its Leo constellation been operational and competitive. It is not, as yet, and so it loses business. As the saying goes, “He who hesitates is lost.” And sadly a lot of old and even new aerospace companies have been hesitating.

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A review of what happened and what’s next for Starship/Superheavy

Link here. This article is a very nice and thorough review of what happened during SpaceX’s 12th test flight of Starship/Superheavy last week. What I like about it most is that it outlines what happened with very little speculation. No one outside of SpaceX is in a position to do this properly, and some speculation has been I think over the top. The article at the link avoids this.

It also provides a quick and reasonable summary about what is likely to happen next:

Next up will be Booster 20 and Ship 40 for Flight 13. This mission may launch in the July-August timeframe, pending testing and any mitigation efforts relating to the issues found during Flight 12. The launch pad appears to be in good shape, removing it from being a potential bottleneck to Booster 20’s Static Fire test, although that is not expected for weeks.

The article also provided this added news item that SpaceX revealed during last week’s test flight that has mostly fallen under the radar among news outlets (including here):

SpaceX also revealed plans for a lunar Starlink constellation using laser-linked relay satellites and confirmed that Fram2 commander Chun Wang has signed up for Starship’s first crewed interplanetary mission — a two-year Mars flyby. Wang will first fly with Dennis and Akiko Tito on the previously contracted crewed lunar flyby, potentially as early as 2034.

That’s two Starship missions apparently paid for by Wang, one around the Moon followed by a Mars fly-by. With the lunar fly-by targeting 2034, the Mars fly-by is likely a decade away, at the earliest.

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German rocket startup signs deal with Nova Scotia spaceport

Proposed Canadian spaceports
Proposed Canadian spaceports

The German rocket startup Isar Aerospace, which has not yet had a successful launch, has now signed a launch agreement with Maritime Launch Services, the company that has been trying to create a spaceport in Nova Scotia for more than a decade without success.

Space company Isar Aerospace and Spaceport operator Maritime Launch Services (MLS), have signed a Letter of Intent to advance sovereign orbital launch readiness from Nova Scotia, Canada. The agreement brings together Isar Aerospace’s orbital launch system and MLS’s launch site, Spaceport Nova Scotia, which is strategically located for launches to support reliable access to mid- to high-inclination and polar orbits for Earth observation and communication satellites and constellations, supporting commercial and government missions

Isar’s Spectrum rocket failed seconds after launch in its first attempt in 2025, launching from Norway’s Andoya spaceport. Since January the company has tried again several times but was forced to scrub each time. At present the launch is tentatively scheduled for June.

MLS’s history is even more convoluted. Initially a decade ago it partnered with a Ukrainian rocket company to offer launch services at Spaceport Nova Scotia. After years of delays that deal ended for good when Russia invaded the Ukraine. Since then MLS has tried to interest both satellite and rocket companies, all to no avail. This new deal was probably made possible due to financial help from the Canadian government, which in March 2026 signed a 10 year deal with MLS worth $200 million, with the intent to encourage a “sovereign orbital capability” for Canada. Since there are no rocket companies in Canada capable of doing this, it appears that capability will now come from Germany.

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Kansas – Dust in the Wind

An evening pause: Performed live c2011. While I consider the music of this song truly beautiful, I personally despise the nihilist sentiments of the lyrics. There is more to life and existence than dust and nothingness, even if we as humans can’t quite figure it out. For this reason I have for years refused to post this song as an evening pause when others have suggested it.

I decided this time to finally let it play, mostly because the violin solo here is so well done.

Hat tip Chris Petty.

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NASA outlines new program of unmanned missions to Moon

NASA's Moon base plans as of May 2026
NASA’s Moon base plans as of May 2026.

NASA officials today outlined its new reshaped program of unmanned missions to Moon, designed it says to lay the first groundwork for the manned lunar base to follow.

You can watch the press conference here. The map to the right comes from one viewgraph during that conference, and apparently shows the planned lunar base area, which officials said could cover about 100 square miles. Though officials said this is in the south pole region, I have not been able to identify the precise location, using the global map produced by Lunar Reconnaissance Orbiter. The large crater northeast of the base does not appear to be Shackleton Crater.

The schedule includes four already planned missions, two new missions awarded to Blue Origin in a $188 million contract to deliver two new rovers, and a new hopper mission mission to be delivered by Firefly’s Blue Ghost lander. The schedule is as follows:
» Read more

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NASA approves lunar habitation module design from Italy’s space agency

While the American company Redwire appears in the lead to win a European contract to build its lunar lander’s robot arm, it appears the Italian Space Agency (ASI) has gotten NASA’s preliminary approval to begin work on its Multi-purpose Habitation module (MPH) for the lunar base.

The Italian Space Agency [ASI] announced on 22 May that its Multi-Purpose Habitation (MPH) module had been cleared by a NASA review board to progress toward a Preliminary Design Review in 2027. The first MPH module is expected to launch in 2033.

…With the successful completion of the SDR [System Definition Review] and SRR [System Requirements Review], ASI and Thales Alenia Space can now prepare for the Preliminary Design Review (PDR), which will assess whether the module’s preliminary design is mature enough to meet NASA’s requirements before the programme advances into detailed design and hardware development.

It should be noted that the MPH appears to be a revision of the habitable module that ESA and Thales Alenia were building for the now dead Lunar Gateway station. This new deal is likely NASA’s effort to give ESA comparable work to make up for the loss of its Gateway contribution.

At the same time, ASI will face heavy competition from American companies for this work, as it isn’t the only one proposing habitable modules for the American lunar base. In March 2026 Voyager Technologies and Max Space announced a partnership to build their own inflatable habitable lunar modules. Just as ESA can only make rare exceptions when it gives work to American companies, NASA is obliged to do the same with its European contracts.

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Redwire completes testing on robot arm prototype for ESA

The European division of the American space manufacturing company Redwire last week delivered to the European Space Agency (ESA) a full developed and tested robot arm prototype, as per a 2024 contract.

The project is being led by Redwire’s Luxembourg team, which recently completed several project milestones including preliminary design and performance assessment.

Before successful delivery, the MANUS Breadboard Model underwent a comprehensive test campaign to verify the functionality and performance of the manipulator and tool-changer subsystems, and to demonstrate operational scenarios aligned with system requirements. All planned operations, including payload handling, end-effector actuation with wireless data and power transfer, range extender manipulation, and automatic deployment, were executed successfully, confirming overall system readiness. Functional testing validated safe and reliable mechanical performance, demonstrating strong joint-space accuracy and stable interaction among subsystems.

The arm is intended for ESA’s Argonaut lunar lander, allowing it to unload cargo from the lander to the lunar surface. ESA’s 2024 development contract was issued to both Redwire and the Polish company PIAP. PIAP however has not even built the actual prototype. It appears ESA is now moving forward on the full contract phase for the entire rover, and it appears Redwire’s Luxembourg division is in the best position to win the robot arm contract portion.

Not surprisingly, Redwire’s stock surged by 24% following this announcement.

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Voyager wins $16.5 million DARPA contract to give solid-fueled rockets variable thrust

The space station startup Voyager Technologies announced today that DARPA has awarded it a $16.5 million contract to develop a technology for use by all solid-fueled rocket manufacturers that will allow those rockets to have variable thrust while firing.

Until now, once you light a solid-fueled rocket motor (SRM) it works like a firecracker, burning at the same high thrust until it runs out of fuel. The goal is to introduce ways to change that thrust along the way, if need be.

During the 20-month contract, Voyager will combine its expertise with complex system modeling and controls with the propellant and manufacturing specialized to develop and validate proof-of-concept systems, culminating in tailorable SRM hot-fire demonstrations.

The program also focuses on manufacturing scalability and post-manufacturing control architectures, including the integration of structural health monitoring systems to support real-time health monitoring and performance. These activities are intended to prepare the technology for rapid industrial transition across multiple weapon systems, enabling flexible weapons procurement and large-scale production and stockpiling.

The vagueness in this description likely comes from two reasons. First, the technology is likely difficult and still uncertain. Two, when developed this technology is certainly going to be classified, since solid-fueled rockets are used extensively by the War Department in missiles. It will be made available to multiple American manufacturers, but only to them.

Whether this technology can become operational in less than two years remains a large question. We shall see. Nonetheless, as a company Voyager continues to expand its reach, diversifying its effort beyond its Starlab space station.

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SpaceX launches another 24 Starlink satellites

SpaceX this morning successfully launched 24 more Starlink satellites, its Falcon 9 rocket lifting off from Vandenberg Space Force Base in California.

The first stage completed its sixth flight (32 days after its previous flight), landing on a drone ship in the Pacific.

The leaders in the 2026 launch race:

62 SpaceX
29 China
8 Russia
7 Rocket Lab

For the third straight year SpaceX leads the entire world combined in total launches, 62 to 52.

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West Point Band and Glee Club – Mansions of the Lord

An evening pause: For Memorial Day, a repost from 2020. The words:

To fallen soldiers let us sing
Where no rockets fly nor bullets wing
Our broken brothers let us bring
To the Mansions of the Lord
No more bleeding, no more fight
No prayers pleading through the night

Just divine embrace, eternal light
To the Mansions of the Lord.
Where no mothers cry and no children weep
We will stand and guard though the angels sleep
Through the ages safely keep
The Mansions of the Lord.

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The geology of the Moon’s far side, revealed in pictures taken during Artemis-2

A sample of Andrew McCarthy's work
A sample of Andrew McCarthy’s work. Click for original.

When Artemis-2 commander Reid Wiseman took pictures as his Orion capsule swung around the far side of the Moon, he did so as per the instructions of astrophotographer Andrew McCarthy, thus producing enhanced-color photographs capable of distinguishing the lunar geology with more detail.

Astrophotographer Andrew McCarthy is known for turning the moon into something it decidedly isn’t to the naked eye; a colorful, mineral-rich landscape that looks more like a geological survey than the grey orb hanging in the night sky. His technique relies on stacking hundreds or thousands of images together to suppress noise and amplify the subtle spectroscopic differences between different surface materials. The result is both scientifically accurate and visually arresting.
Linking up with Artemis

As Space.com details, just weeks before the Artemis II launch window, McCarthy DM’d mission commander and NASA astronaut Reid Wiseman with a proposal: could Wiseman shoot the moon the same way McCarthy shoots the moon? It turns out he could. “He was immediately onboard,” McCarthy said. “It was a dream come true, obviously, for me, but I saw it as this very unique opportunity.”

McCarthy worked up a plan alongside Wiseman and NASA’s lunar photography team, the same group that had trained the Orion crew on their camera kit. As regular readers will already know, the primary workhorse was a Nikon D5 DSLR paired with an 80–400 mm Nikkor lens, a decade-old body chosen specifically for its exceptional high-ISO performance. Wiseman shot burst sequences at varying exposures throughout the flyby, generating a dataset McCarthy could stack back on Earth.

The picture to the right is a small sample of McCarthy’s work.

Hat tip to reader Ferris Akel.

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SpaceX launches 29 more Starlink satellites

SpaceX early this morning successfully placed another 29 Starlink Satellites into orbit, its Falcon 9 rocket lifting off from Cape Canaveral Space Force Station in Florida.

The first stage (B1078) completed its 28th flight, landing on a drone ship in the Atlantic, 64 days after its previous flight. With this flight, the booster moves into a tie for seventh place with the Columbia shuttle and another Falcon 9 booster in the rankings of the most reused launch vehicles:

39 Discovery space shuttle
34 Falcon 9 booster B1067
33 Atlantis space shuttle
33 Falcon 9 booster B1071
32 Falcon 9 booster B1063
31 Falcon 9 booster B1069
28 Columbia space shuttle
28 Falcon 9 booster B1077
28 Falcon 9 booster B1078

Sources here and here.

The leaders in the 2026 launch race:

61 SpaceX
29 China
8 Russia
7 Rocket Lab

For the third straight year SpaceX leads the entire world combined in total launches, 61 to 52.

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