KBR and Axiom Space Complete First Uncrewed Thermal Vacuum Test of AxEMU Spacesuit

KBR
November 20, 2025

KBR and Axiom Space completed the first uncrewed thermal vacuum test of the AxEMU Pressure Garment, a key component of the next‑generation spacesuit slated for NASA’s Artemis III lunar landing mission.

The test, conducted in KBR’s Aerospace Environment Protection Laboratory in San Antonio, Texas, replicated the vacuum and extreme temperature conditions of space to evaluate the suit’s thermal performance and advanced materials. The laboratory, which has supported NASA and Department of Defense testing for over six decades, is the same facility where Apollo astronauts trained for their moon landings.

This milestone is part of the Exploration Extravehicular Activity Services (xEVAS) contract that underpins the development of the AxEMU. The successful test demonstrates the viability of the suit’s design and provides critical data that will inform subsequent qualification stages, bringing the suit closer to operational use on the lunar surface.

Mark Kavanaugh, President of KBR’s Defense, Intel and Space segment, said the achievement “reflects KBR’s position as a leader in human spaceflight innovation and our ability to deliver mission‑critical solutions that advance NASA’s Artemis program.” The company’s involvement underscores its growing role in the expanding human spaceflight sector and its commitment to supporting NASA’s ambitious exploration goals.

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