NASA this week recorded its fourth test on one of the engines that will power the Space Launch System Station rocket into deep space, perhaps even a trip to Mars one day. The engine test was performed Wednesday (Aug. 9) at Stennis Space Center near Bay St. Louis, the agency said in a news release.
Stennis said engineers conducted a 500-second test of the RS-25 engine controller on one of the test stands at the sprawling facility. The test involved firing the engine in the same manner and for the same amount of time as an SLS rocket launch.
The agency said the test "marked another milestone toward launch of the first integrated flight of the SLS rocket and Orion crew vehicle.''
The Orion crew capsule and core stage of the SLS rocket are manufactured at the Michoud Assembly Facility in New Orleans East.
Four RS-25 engines will power the SLS rocket, NASA's most powerful, and provide a combined 2 million pounds of thrust, NASA said. The agency said the RS-25 engines for the initial SLS flights are former space shuttle main engines.
The controller "is a critical component that operates as the engine 'brain' that communicates with SLS flight computers,'' NASA said.
NASA, main contractor Aerojet Rocketdyne and subcontractor Honeywell are involved in developing the controller.
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