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Preparations for Next Moonwalk Simulations Underway (and Underwater)

NASA is collaborating with Eta Space of Rockledge, Florida, on an in‑orbit technology demonstration to advance a key capability for future deep space missions. The Liquid Oxygen Flight Demonstration, or LOXSAT, will test cryogenic fluid management technologies necessary for creating in-space propellant depots, essentially gas stations in space, that could support long-term exploration.

The LOXSAT payload is displayed inside Rocket Lab’s Spacecraft Production Complex in Long Beach, California. Rocket Lab

During a nine-month mission, LOXSAT will demonstrate 11 cryogenic fluid management technologies. Eta Space built LOXSAT as part of a NASA Tipping Point opportunity, and Rocket Lab is providing spacecraft and launch services to deliver it to low Earth orbit. The LOXSAT payload has been integrated with a Rocket Lab Photon satellite bus and will launch aboard the company’s Electron rocket from Launch Complex 1 on New Zealand’s Mahia Peninsula no earlier than July 17.

The technologies that LOXSAT will demonstrate were selected to address the core challenges of using cryogenic, or super-cold, propellants in microgravity, including reducing boiloff, transferring propellant, maintaining tank pressure, and gauging propellant levels. Data collected from these tests will support development of future in-space propellant depots that could refuel spacecraft as they journey to the Moon, Mars, or other deep space destinations.

Members of NASA’s Cryogenic Fluid Management project tour Rocket Lab’s Spacecraft Production Complex in Long Beach, California, on Thursday, Feb. 12, 2026 . The portfolio project team had the opportunity to view the LOXSAT payload and the setup for vibration testing. CreditRocket Lab

NASA’s LOXSAT team is composed of members of the Cryogenic Fluid Management Portfolio Project from NASA’s Marshall Space Flight Center in Huntsville, Alabama, Glenn Research Center in Cleveland, and Kennedy Space Center in Florida. The cryogenic portfolio’s work is part of NASA’s Space Technology Mission Directorate and includes more than 20 individual technology development activities.

To learn more, visit:

https://go.nasa.gov/49nbAO5

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Details Last Updated May 15, 2026 EditorLee MohonContactJoel Wallacejoel.w.wallace@nasa.govLocationMarshall Space Flight Center Related Terms

• Cryogenic Fluid Management (CFM)
• Kennedy Space Center
• Marshall Space Flight Center
• Space Technology Mission Directorate
• Technology Demonstration Missions Program

Explore More 3 min read Ice to Fuel: NASA Tests Technology for Refueling Landers  Article 2 months ago 4 min read Stay Cool: NASA Tests Innovative Technique for Super Cold Fuel Storage Article 10 months ago 3 min read NASA Propellant Tech Could Fuel Long-Duration Missions   Article 1 year ago Keep Exploring Discover Related Topics

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