SLS Core Stage Test-Fired by NASA, Boeing

The largest rocket element NASA has ever built, the Space Launch System (SLS) core stage, fired its four RS-25 engines for 8 minutes and 19 seconds Thursday at NASA’s Stennis Space Center near Bay St. Louis, Mississippi. The successful test, known as a hot fire, is a critical milestone ahead of the agency’s Artemis I mission, which will send an uncrewed…