SLS’s initial operating capability uses leftover Space Shuttle Main Engine (SSME) hardware as the engines for the Core Stage of the vehicle. The Boeing-built Core is a ground-started sustainer ...

All the equipment for the care and feeding of uprated Space Shuttle Main Engines (SSME), adapted for SLS by Aerojet Rocketdyne as the RS-25, is repackaged from the backend of Space Shuttle ...

One effect of the short was a loss of power to the Space Shuttle Main Engine (SSME) controllers. According to Hale: "The A computer on the Center SSME lost power, never to be recovered.

Common propellant combinations include liquid hydrogen and liquid oxygen (used in the Space Shuttle main engines), or solid propellants (used in some rocket boosters). Advanced propulsion ...