NASA’s Next Moon Rocket Runs on Shuttle Engines—Here’s the Story Behind Each One

NASA is getting ready to launch its massive, fully expendable rocket for the first crewed flight to the Moon since Apollo.
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 ...
SpaceNews

Space Shuttle Engine Testing: T Plus 30 Years and Counting

Thirty years ago there was no Internet, laptop computers or CDs; Gerald Ford was president; “The Mary Tyler Moore Show” was on TV; and “Jaws” was at the movies. But in South Mississippi, NASA ...
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 ...
SpaceNews

Pratt & Whitney Rocketdyne’s Space Shuttle Main Engines Power Delivery of Robotic Control Station and Module

Three Pratt & Whitney Rocketdyne Space Shuttle Main Engines (SSME) today successfully powered the launch of Space Shuttle Endeavour on Mission STS-130 to deliver a third connecting module and a ...