NextBigFutureOpinion

20 Years of SLS and Constellation – 50 Years of the Same RS25 Engine and Each One Costs $145 Million

SLS (Space Launch System) uses a 50 year old rocket engine design that now costs $145 million each (not including labor and ...
NASASpaceFlight.com

L3Harris testing brand new RS-25 engines for future...

RS-25 prime contractor L3Harris continues to ramp up production of new flight engine hardware at their Los Angeles area facility and final assembly at the Stennis Space Center. NASA certified ...
Gizmodo

Rocket Engines That Flew 22 Space Shuttle Missions Are Ready for NASA’s Next Moon Mission

NASA’s Space Launch System (SLS) is ready to fly with its four shuttle-era engines. The rocket, outfitted with the RS-25 engines, recently passed a critical milestone that put the integrated system to ...