Powerful NASA SLS Rocket Engine Test-Fired in Mississippi

By Steve Spaleta | May 23, 2017 06:17pm ET

The RS-25 rocket engine had a “500-second test on the A-1 Test Stand at NASA’s Stennis Space Center in Mississippi,” according to space agency. Four of these engines will be able to produce 2 million pounds of thrust for the Space Launch System (SLS) rocket.

credit : NASA Stennis Space Center

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