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Tag Archives: Stennis Space Station

Rocket engine passes hot-fire test

HANCOCK COUNTY — Pratt & Whitney Rocketdyne has completed the initial step in certifying the RS-68A rocket engine by successfully hot-fire testing the first certification engine. The RS-68A is an upgrade of the RS-68, a liquid-hydrogen/liquid-oxygen booster engine that will provide increased thrust and improved fuel efficiency for the Delta IV family of launch vehicles. During the hot-fire test at ...

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