NASA / SSC / SCIENCE PHOTO LIBRARY NASA / SSC / SCIENCE PHOTO LIBRARY
J-2X rocket engine. View of a J-2X engine before installation. This liquid-fuel cryogenic rocket engine is intended for use in NASA's new Space Launch System (SLS) - a spacecraft heavy launch vehicle being designed to replace the retired Space Shuttle. Photographed at the John C. Stennis Space Center (SSC), Hancock County, Mississippi, USA, on 1st January 1981.
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