Fourth SLS Core Stage Engine Controller Clears Ground Test

RS-25
Credit: Aerojet Rocketdyne
HOUSTON—NASA and Aerojet Rocketdyne report completion of ground testing of the fourth controller for the four RS-25 liquid hydrogen/oxygen rocket engines that are to power the Space Launch System (SLS) core stage of the agency’s Exploration Mission-1 test launch. The 500-sec. test was conducted Aug...

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