NASA says 2028. Its own inspector general says 2031.

NASA says astronauts will land on the moon in 2028. The spacesuit they need might not be ready until 2031.

That is not a scheduling footnote. It is the finding at the center of a NASA Office of Inspector General audit published April 20, 2026. The report projects that the Artemis and ISS spacesuit demonstrations "may not occur until 2031" — three years past the date NASA is publicly telling Congress and the world it can hit.

The gap between confidence and internal analysis is the story.

The contract

In 2022, NASA awarded Exploration Extravehicular Activity Services (xEVAS) contracts to two companies: Axiom Space and Collins Aerospace, worth up to $3.1 billion combined. The idea was redundancy. If one stumbled, the other could deliver.

Collins Aerospace burned through $37 million and dropped out in 2024, as SpaceNews reported. Axiom Space is now the only provider standing on a program where failure means NASA has no suit for a lunar landing it has already committed to.

Axiom raised $350 million in February to support station and spacesuit development, according to Space.com. The company says it is planning for spacesuit demonstration readiness in late 2027. The critical design review is expected later this year.

Those are Axiom's numbers. Here is the context: according to SpaceNews, recent spaceflight programs averaged 8.7 years from contract award to first test flight. The xEVAS contract was awarded in 2022. If history holds, the first test flight is not due until around 2030. NASA wants the suit ready for a 2028 lunar landing.

Both suits are at least 18 months behind their original targets, the OIG found.

The overlap problem

NASA is planning an Earth orbit test of the Axiom suit in 2027, either on the ISS or aboard the Artemis 3 mission. The problem: the ISS is targeted for decommissioning in 2030, leaving a narrow window to conduct orbital testing before the station is retired. If the demo slips and the ISS is already gone, NASA would have to validate a lunar surface suit during an actual moon mission — one where the stakes are the mission itself.

The workforce and the budget

NASA lost nearly 4,000 employees in 2025 through a Trump administration deferred resignation program, as Space.com reported. The proposed 2027 White House budget asks for a 23 percent cut to NASA overall and a 47 percent cut to the agency's science programs. That reduction lands at the moment Axiom needs the most oversight and coordination.

Artemis 2 launched in April 2026 and returned crew from a lunar flyby — the program has momentum. But the suit is not a rocket. You cannot accelerate a pressure garment the way you can a launch date.

What NASA says

Administrator Jared Isaacman, who made his fortune in aerospace before taking over NASA, has staked his credibility on 2028. "I am confident that when NASA is ready to land on the moon in 2028, our astronauts will be wearing Axiom suits," he told Space.com.

He is not disputing the OIG report. His argument is that the 2031 scenario is one modeled on historical averages, not a prediction of where the program will actually land. NASA has added oversight and resources, he says. The critical design review this year is the inflection point.

The counterargument is the one the OIG laid out in plain English: "Based on our analysis... the Artemis and ISS demonstrations may not occur until 2031", NASA told UNILAD.

What to watch

The critical design review. If it slips, the 2027 demo target slips with it, and the 2028 landing date becomes functionally impossible without a suit that has not finished its ground testing. If it holds and passes, NASA has a concrete data point to back the confidence it is selling publicly. That review is the next real signal on whether 2028 is still a real date or an aspiration that survived contact with the schedule.

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A version of this story was first reported by Space.com.