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NASA has completed a series of five hot-fire tests with the engine controller for the new Space Launch System (SLS) heavy-lift rocket, the agency announced Aug. 31.The testing, which began in March, wrapped up Aug. 30 with a 500-second firing of an RS-25 engine and its flight controller on a test stand at NASA’s Stennis Space Center in Mississippi. The test’s duration of more than eight minutes represents the amount of time the engine and controller will be needed during…
