NASA Successfully Conducts Hot Fire of RS-25 Engine That Will Power the SLS (Space Launch System) Rocket

Photo credit: Chris Russell The recent hot fire test of an RS-25 engine marked a big step forward for NASA’s Artemis program, and it went practically unnoticed. On January 22, 2026, engineers at Stennis Space Center in Mississippi took out one of the RS-25 engines, number 2063, and tested it on the Fred Haise test [...]

NASA Successfully Conducts Hot Fire of RS-25 Engine That Will Power the SLS (Space Launch System) Rocket
Photo credit: Chris Russell The recent hot fire test of an RS-25 engine marked a big step forward for NASA’s Artemis program, and it went practically unnoticed. On January 22, 2026, engineers at Stennis Space Center in Mississippi took out one of the RS-25 engines, number 2063, and tested it on the Fred Haise test [...]

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