Watch as NASA Test-Fires the RS-25 Rocket Engine

NASA test-fired an RS-25 rocket engine today, 08/18/2016, at the Stennis Space Center in Bay St. Louis in Mississippi. The RS-25 is one of four modified space shuttle main engines that will help lift the huge SLS rocket off the ground assisted by two solid rocket boosters.*

The RS-25 engines are fueled by liquid oxygen and liquid hydrogen. Combined, the four RS-25 engines on SLS will generate 2 million pounds of thrust.

Click HERE to watch a test of the solid rocket booster.


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