NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, ...
The Artemis II RS-25 engine, evolved from the Space Shuttle Main Engines. L3Harris has produced four RS-25 engines for the SLS core stage, with plans to manufacture additional engines for future ...
Three of the four RS-25 engines powering the Artemis II mission previously flew on NASA’s Space Shuttle fleet. The engines are cooled by liquid hydrogen to prevent the nozzle from melting from the ...