Congress mandated that NASA's new Space Launch System must use Space Shuttle Main Engines (RS-25 ), one which fired successfully for 500 seconds at the Stennis Space Center in Mississippi on Jan. 9th, 2015.
Congress mandated that NASA's new Space Launch System must use Space Shuttle Main Engines (RS-25 ), one which fired successfully for 500 seconds at the Stennis Space Center in Mississippi on Jan. 9th, 2015.