NASA Paints 737 for Lunar‑Gravity Test Flights

A newly painted NASA 737 aircraft sits on a ramp in Oklahoma as the agency prepares it for reduced‑gravity missions that will support the Artemis program. The aircraft, formerly owned by the U.S. Air Force, was transferred to NASA’s Armstrong Flight Research Center in Edwards, California, in June. The paint job, completed this week, marks the final cosmetic step before the plane undergoes modifications for use as a reduced‑gravity test platform. NASA plans to conduct lunar‑gravity parabolic flights at the Johnson Space Center in Houston, where the aircraft will validate astronaut lunar suits and crew systems essential for Artemis missions. In addition to suit testing, the plane will serve as a key asset for systems‑integration research, including flight‑testing autonomy, sensors, and other digital systems. The project underscores NASA’s commitment to ensuring that equipment and personnel are fully prepared for the challenges of lunar exploration. The 737’s role in these simulations will help identify potential issues in a controlled environment, reducing risk for future crewed lunar missions. By integrating advanced digital systems into the aircraft, NASA aims to refine autonomous flight capabilities that could be critical for long‑duration space operations. The paint job also symbolizes the transition of the aircraft from a military asset to a civilian research platform dedicated to advancing human spaceflight. With the Artemis program targeting a crewed lunar landing in the coming years, the successful adaptation of the 737 for reduced‑gravity testing is a pivotal step toward achieving those objectives.