First SLS Flight Engine Roars To Life For Testing At Stennis Space Center

The first SLS flight engine roared to life for testing at Stennis Space Center on March 10, 2016. Intended for the first crewed SLS mission, EM-2, the engine last saw action powering the space shuttle Endeavor into orbit in 2011 on STS-134. Photo Credit: NASA

The first of 14 former space shuttle main engines, [...]