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American space agency NASA and space company L3Harris announced they've conducted a test firing of the second new RS-25 ...

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HANCOCK COUNTY, Miss. (WLOX) - NASA and L3Harris Technologies successfully conducted a full-duration hot fire test of a ...

L3Harris' RS-25 engine, which will support the core stage of the Space Launch System rocket for the Artemis V mission, was fired for 500 seconds.