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Rocket engine successfully passes hot-fire tests

HANCOCK COUNTY — Pratt & Whitney Rocketdyne has successfully completed a series of hot-fire tests on the certified RS-68A engine, the world’s most powerful hydrogen-fueled engine. The tests demonstrated the capability of the engine to operate for 4,800 seconds of cumulative run time – four times the design life of the engine and more than 10 times what is needed ...

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