NASA Achieves Milestone for Engines to Power Future Artemis Missions

NASA demonstrates a key capability necessary for flight of the SLS (Space Launch System) rocket during the hot fire on Nov. 29, 2023. Crews gimbal, or pivot, the RS-25 engine around a central point during the almost 11-minute (650 seconds) hot fire on the Fred Haise Test Stand at NASA’s Stennis Space Center.