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Helium problem forces NASA to delay moon mission

NASA Administrator Jared Isaacman and troubleshooting team at launch pad with SLS rocket in background
NASA Administrator Jared Isaacman, far left, accompanies a troubleshooting team at the Artemis 2 launch pad. (NASA Photo)

NASA Administrator Jared Isaacman says the giant rocket set to send four astronauts around the moon for the history-making Artemis 2 mission must be rolled back from its launch pad to troubleshoot a technical problem.

The 10-day mission, previously scheduled for as soon as March, is now postponed until April at the earliest. “I understand people are disappointed by this development,” Isaacman said in a posting to X. “That disappointment is felt most by the team at NASA, who have been working tirelessly to prepare for this great endeavor.”

The technical issue cropped up just days after a successful launch-pad rehearsal at NASA’s Kennedy Space Center. Data from the Space Launch System rocket’s upper stage registered an interruption in the flow of helium, which is used to pressurize the propellant tanks and purge the engines. “Last evening, the team was unable to get helium flow through the vehicle,” Isaacman wrote today. “This occurred during a routine operation to repressurize the system.”

Isaacman said the helium pressurization system worked correctly during this week’s wet dress rehearsal. For what it’s worth, a problem with a helium valve cropped up during preparations for the uncrewed Artemis 1 round-the-moon mission in 2022, leading NASA managers to take corrective actions.

The current problem could be due to a failure at any of several points in the helium system. “Regardless of the potential fault, accessing and remediating any of these issues can only be performed in the VAB,” said Isaacman, referring to the 52-story Vehicle Assembly Building where the SLS and its Orion crew capsule were stacked for launch.

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NASA completes rehearsal for Artemis moon launch

SLS rocket illuminated by lights at launch pad
NASA's Space Launch System rocket stands on its Florida launch pad. (NASA Photo / Aubrey Gemignani)

NASA counted down to T-minus 29 seconds during a smooth rehearsal for a historic launch that could send astronauts around the moon for the first time in more than half a century.

The run-through at Launch Complex 39B, at Kennedy Space Center in Florida, was known as a wet dress rehearsal because it involved filling up the propellant tanks on NASA’s Space Launch System, a 322-foot-tall rocket that made its debut with 2022’s uncrewed Artemis 1 mission.

The only major component that was missing at the launch pad was the crew. NASA astronaut Reid Wiseman, the commander for the Artemis 2 mission, said in a posting to X that he was watching the proceedings from Launch Control.

Once NASA reviews the results of the two-day rehearsal, mission managers will decide whether to give the final go-ahead for the Artemis 2 crew’s 10-day trip around the moon and back.

Lori Glaze, acting associate administrator for NASA’s Exploration Systems Development Mission Directorate, said the space agency is targeting March 6 for liftoff. “Every night I look at the moon, and I see it, and I get real excited because I can really feel she’s calling us,” she told reporters today. “And we’re ready.”

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Universe Today

Report blames NASA and Boeing for Starliner screw-ups

Starliner in the dark desert
Boeing’s Starliner space capsule sits in the New Mexico desert after its uncrewed return to Earth in 2024. (Boeing Photo)

Nearly two years after Boeing’s botched Starliner mission to the International Space Station, NASA put the mishap in the same category as the Challenger and Columbia space shuttle disasters — and said the spacecraft wouldn’t carry another crew until dozens of corrective actions are taken.

Based on the findings from an independent panel’s 311-page report, NASA classified the crewed test mission in 2024 as a Type A mishap, primarily because five of the thrusters in the Starliner spacecraft’s propulsion system failed during the capsule’s approach to the ISS. The crew was able to regain control of four of those thrusters, but NASA decided not to send astronauts back to Earth on the Starliner due to safety concerns.

Instead, the craft was flown back for a landing without crew, three months after the docking. The two astronauts who rode Starliner to orbit were stuck aboard the station for more than nine months while they waited for a ride back home inside a SpaceX Dragon capsule.

Today’s report faults NASA’s leadership as well as Boeing’s team for the mission’s failings.

“Starliner has design and engineering deficiencies that must be corrected, but the most troubling failure revealed by this investigation is not hardware,” NASA Administrator Jared Isaacman, who took over as the space agency’s chief in December, wrote in a letter to NASA employees that was also posted to X. “It is decision-making and leadership that, if left unchecked, could create a culture incompatible with human spaceflight.”

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GeekWire

AWS offers cloud computing credits to federal agencies

Illustration: Overhead view of hands on keyboard with ships floating on a sea of Matrix-like numbers in foreground
Cloud computing and AI can come into play in advanced manufacturing and shipbuilding for the U.S. military. (NIWC Pacific Illustration)

Amazon Web Services has launched two credit programs worth up to $100 million to help federal agencies use cloud services and AI for applications ranging from battle management to quantum computing.

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Fiction Science Club

Occupy Mars? Or the moon? It’s time for a reality check

Illustrations: Moon Village and Mars habitat
Artist's concepts show a moon village at left and a Mars habitat at right. (Left image: ESA. Right image: Team SEArch+/Apis Cor via NASA)

It’s an age-old debate in space circles: Should humanity’s first city on another world be built on the moon, or on Mars?

As recently as last year, SpaceX founder Elon Musk saw missions to the moon as a “distraction.” In a post to his X social-media platform, he declared that “we’re going straight to Mars.”

But last week, Musk said he’s changed his mind: “For those unaware, SpaceX has already shifted focus to building a self-growing city on the Moon, as we can potentially achieve that in less than 10 years, whereas Mars would take 20+ years,” he wrote on X.

How realistic is either option, particularly on a 10- to 20-year time frame? In a new book titled “Becoming Martian,” Rice University evolutionary biologist Scott Solomon lays out the possibilities as well as the perils that could make Musk’s job more challenging than he thinks.

“The more research I did on this topic, and the more labs I visited, and papers I read, and experts I spoke with, what became clear to me is that we have some pretty big gaps in our knowledge, in our understanding of what the reality would be like,” Solomon says in the latest episode of the Fiction Science podcast.

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GeekWire

Amazon wins OK to add 4,500 satellites to Leo network

Illustration: Web of satellites covering Earth
An artist’s conception shows how additional Amazon Leo satellites would provide coverage in Earth’s polar regions. (Amazon Illustration)

Amazon has won the Federal Communications Commission’s approval to go ahead with its plan to launch thousands of second-generation Amazon Leo satellites for its broadband internet network, even though the first-generation constellation is far from complete.

The approval would add more than 4,500 satellites to the previously authorized constellation of 3,232 Gen 1 spacecraft, expanding coverage to the entire globe, including the poles.

“Amazon Leo Gen 1 performance is impressive on its own, but lots to look forward to with Leo Gen 2: More capacity, more coverage (including polar) and additional throughput — good for customers everywhere, and especially important for big enterprise/gov customers who want max performance to move large amounts of data through our network,” Rajeev Badyal, vice president of technology for Amazon Leo, said today in a LinkedIn posting.

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GeekWire

Stoke Space raises $350M to get set for rocket debut

Propellant tank on Stoke Space's factory floor
A propellant tank takes shape at Stoke Space’s rocket factory in Kent, Wash. (Stoke Space Photo)

Kent, Wash.-based Stoke Space Technologies says it has added another $350 million to its previously announced Series D financing round, bringing the amount raised in the round to $860 million.

The fresh funding will go toward completing activation of the company’s Florida launch complex and expanding production capacity for its fully reusable Nova launch vehicle. Additional capital will be used to accelerate future elements on Stoke’s product road map.

Terms of the round were not disclosed. With the extension of the Series D round, Stoke has raised $1.34 billion to date.

The medium-lift Nova rocket is currently under development. First liftoff from Launch Complex 14 at Cape Canaveral Space Force Station is expected sometime this year.

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GeekWire

Business is looking up for space station designers

Illustration: Cutaway view of laboratory workspace on Starlab space station
This cutaway view shows the interior of the Starlab space station’s laboratory. (Starlab Illustration)

How do you design a living space where there’s no up or down? That’s one of the challenges facing Teague, a Seattle-based design and innovation firm that advises space companies such as Blue Origin, Axiom Space and Voyager Technologies on how to lay out their orbital outposts.

Mike Mahoney, Teague’s senior director of space and defense programs, says the zero-gravity environment is the most interesting element to consider in space station design.

“You can’t put things on surfaces, right? You’re not going to have tables, necessarily, unless you can attach things to them, and they could be on any surface,” he told me. “So, directionality is a big factor. And knowing that opens up new opportunities. … You could have, let’s say, two scientists working in different orientations in the same area.”

Over the next few years, NASA and its partners are expected to make the transition from the aging International Space Station to an array of commercial space stations — and Teague is helping space station builders get ready for the shift.

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Starfish doubles down on Space Force satellite servicing

Illustration: Otter spacecraft in geosynchronous orbit with Earth in background
An artist’s conception shows Starfish Space’s Otter spacecraft in geosynchronous Earth orbit. (Starfish Space Illustration)

Tukwila, Wash.-based Starfish Space has been awarded a $54.5 million contract to produce another Otter satellite servicing spacecraft for the U.S. Space Force’s Space Systems Command.

The deal, announced this week, builds on a $37.5 million Space Systems Command contract that was awarded in 2024 through the Department of the Air Force’s Strategic Funding Increase program, or STRATFI. This new contract is funded through a Pentagon program called Accelerate the Procurement and Fielding of Innovative Technologies, or APFIT. Starfish noted that the award is the only APFIT contract issued to a space company in the current cycle and ranks among the largest in the program’s history.

Austin Link, co-founder of Starfish Space, said his company was “proud to grow our partnership with the Space Force under the APFIT program.”

“APFIT is a key program in transitioning platforms like Otter from development to deployed capability,” Link said today in a news release. “Through dynamic space operations and autonomous augmented maneuver, we enable the Space Force to sustain critical space assets, increase resilience and maintain operational flexibility across evolving mission demands.”

Like the earlier contract, the new one calls on Starfish to provide an Otter spacecraft for dynamic space operations in geosynchronous Earth orbit. Delivery is scheduled for 2028, with an option for two years of operational support.

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Interlune digs into opportunities for lunar construction

Interlune prototype excavator being tested on rocky patch of land
Interlune and Vermeer worked together to test a full-scale prototype of an excavator with auxiliary components. (Interlune / Vermeer Photo)

Interlune is leveraging a $150,000 NASA contract to develop develop lunar trenching and excavation technology — and although the primary goal is to extract valuable helium-3 from moon dirt, the project also signals the company’s broader play for lunar infrastructure.

Interlune’s work on the Small Business Technology Transfer Phase 1 contract, done in partnership with the Colorado School of Mines, demonstrates that the Seattle-based startup’s business model isn’t limited to helium-3. In the years ahead, the technologies pioneered by Interlune for resource extraction can also be used for building roads, base camps and other construction projects on the moon.

For example, the excavator that’s the focus of the NASA funding — known as the Scalable Implement for Lunar Trenching, or SILT — will support Interlune’ plan to sift through tons of lunar soil. But it will also support NASA’s Artemis program, which aims to establish a sustainable lunar presence in the 2030s.

“We’re looking at some other tools that would move regolith around, or prepare a site for making a road or building a radiation berm, burying a certain piece of infrastructure like a nuclear reactor,” Interlune CEO Rob Meyerson told me. “So, we’re very interested in participating in the Artemis program in broader ways, and we think the technology we’re developing for helium-3 extraction can support that.”

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