RS-25 Engine
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NASA
Historic Engines Take Their Place on Artemis III
On Aug. 24, technicians at NASA’s Kennedy Space Center in Florida began installing the four RS‑25 engines in the core stage of the agency’s Space Launch System (SLS) rocket that will carry the Artemis III crew into low Earth orbit in 2027. Each RS‑25 engine has a unique serial number that records its detailed flight history. The four engines assigned to Artemis…
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NASA
NASA Stennis Teams Install New Production RS-25 Engine for Upcoming Hot Fire
NASA marked a key milestone Feb. 18 with installation of RS-25 engine No. E20001, the first new production engine to help power the SLS (Space Launch System) rocket on future Artemis missions to the Moon. The engine, built by lead SLS engines contractor L3Harris (formerly Aerojet Rocketdyne), was installed on the Fred Haise Test Stand in preparation for acceptance testing…
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NASA
NASA Stennis Propulsion Testing Contributes to Artemis Missions
The future is now at NASA’s Stennis Space Center near Bay St. Louis, Mississippi – at least when it comes to helping power the next great era of human space exploration. NASA Stennis is contributing directly to the agency’s effort to land the first woman, the first person of color, and its first international partner astronaut on the Moon –…
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NASA
First Hot Fire Test of the Year for Artemis
Clouds of white vapor pile up at NASA’s Stennis Space Center in Bay St. Louis, Mississippi, during a full-duration, 500-second hot fire of an RS-25 certification engine Jan. 17, 2024. This test series is critical for future flights of NASA’s SLS (Space Launch System) rocket in support of the Artemis campaign. During the Jan. 17 test, operators followed a “test like you fly” approach, firing the engine…
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Press Releases
NASA Mega Moon Rocket Passes Key Test, Readies for Launch
The largest rocket element NASA has ever built, the core stage of NASA’s Space Launch System (SLS) rocket, fired its four RS-25 engines for 8 minutes and 19 seconds Thursday at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. The successful test, known as a hot fire, is a critical milestone ahead of the agency’s Artemis I mission, which will send…
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