RS-25 Engine Undergoes Hot-Fire Test
Four RS-25 engines, like the one pictured undergoing a hot-fire test, will power the core stage of NASA's Space Launch System (SLS) -- NASA's new heavy-lift launch vehicle. Formerly known as the space shuttle main engine, the RS-25 will be tested beginning in 2014 at NASA's Stennis Space Center.
Image credit: Aerojet Rocketdyne
Page Last Updated: September 13th, 2013
Page Editor: Brooke Boen