Jun 4, 2024 · Stay up-to-date with the latest RS-25 Testing content from NASA Stennis as we explore the universe and discover more about our home planet.

"On June 8, @NASA conducted the 10th certification test of an RS-25 engine at @NASAStennis, continuing a critical hot fire series to facilitate the production of new engines for future SLS (Space …

Jun 24, 2025 · NASA and L3Harris Technologies have successfully test-fired the first RS-25 rocket engine slated to help power the fifth launch of the Space Launch System or SLS rocket for the …

Jun 23, 2025 · NASA fired up a full-duration test of its new RS-25 engine that will power the Space Launch System rocket on Artemis missions to the moon, the space agency announced Monday.

NASA and L3Harris conducted a full-duration RS-25 hot fire test Nov. 12 on the Fred Haise Test Stand at Stennis Space Center. The engine will support the Space Launch System (SLS) rocket,...

Jun 24, 2025 · NASA demonstrated the new RS-25 engine No. 20001 on June 20 at the Fred Haise Test Stand at the Stennis Space Center in Bay St. Louis, Mississippi. The agency said Monday the full …

Nov 12, 2025 · NASA and L3Harris Technologies (NYSE: LHX) have successfully test-fired the second RS-25 engine that will support the core stage of the Space Launch System (SLS) rocket for NASA’s …

Mar 30, 2022 · NASA completed developmental engine testing March 30 with a full-duration RS-25 hot fire, to support future engines that will launch Space Launch System (SLS) astronauts deeper into …

Jun 27, 2025 · All RS-25 engines are tested and proven flightworthy at NASA Stennis. The test was conducted by a team of operators from NASA, L3Harris, and Syncom Space Services, prime …

Oct 22, 2023 · NASA completed a 550-second hot fire test of the RS-25 engine, the first in a 12-test series for Artemis V. These engines, built with advanced manufacturing, will power the Space …