First J-2X Hot-Fire Test Could Come Next Week

By Frank Morring, Jr. .

NASA engineers at Stennis Space Center may conduct a brief hot-fire test of the first J-2X development upper-stage rocket engine next week, after installing it in historic Test Stand A2 at the Mississippi facility on June 11.

“We’re going to drop propellants on the engine and make sure that we get expected chill-down procedures,” says Mike Kynard, J-2X project manager at Marshall Space ...

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