SLS Core Stage Hot Fire Test

NASA performed a hot fire test of the core stage of the Space Launch System (SLS) rocket at NASAs Stennis Space Center, Mississippi, on 16 January 2021, at 22:27 UTC (16:27 CST, 17:27 EST). During the test, the last of the Green Run test series, the four Aerojet Rocketdyne RS25 engines were fired to simulate the stages operation during launch, generating 1. 6 million pounds of thrust. Credit: NASA, MSFC, Kevin Obrien, Aerojet Rocketdyne, Jude Guidry, Tyler Martin Music: Symphony No. 5 by Beethoven courtesy of