An RS-25 engine is fired at sunset on Nov. 15 on the A-1 test stand at Stennis Space Center. The 650-second duration test represents the time three such engines would need to fire to burn up propellant and power the rocket into orbit, even if the fourth shut down early during an SLS launch.
Photographer Danny Nowlin
Album Photographer of the Year
Location Stennis Space Center
Date November 15, 2018