A-3 Test Stand

A3 Test Stand at Stennis Space Center

The A-3 construction site is a busy place as work continues on the test stand that will allow rocket engine testing at simulated high altitudes up to 100,000 feet.

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J-2 Engine

Historical J2 Engine

A look back at the original J-2 engine development, from the historical 1968 fact sheet.

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J-2X Latest News and Features

July 13, 2012 J-2X engine test at Stennis Space Center

J-2X Nozzle Extension Goes the Distance

NASA engineers conducted a 550-second test of the new J-2X rocket engine at Stennis Space Center in Mississippi on July 13.

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June 13, 2012 J2X engine test at Stennis Space Center

J-2X Engine Test Goes Full Duration

NASA conducted a 260-second J-2X engine test at the Stennis Space Center in southern Mississippi on June 13.

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J2X powerpack test at Stennis Space Center on June 8, 2012.

NASA Surpasses J-2X Test Facility Record

NASA's Stennis Space Center broke its own record on June 8 with a 1,150-second test on the new J-2X powerpack.

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40 second J2x engine test on May 25, 2012

J-2X Engine Continues to Set Standards

Testing of the next-generation J-2X rocket engine continues to set standards with a 40-second test of the engine on May 25.

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Brief J2X engine test on May 16 2012 at Stennis Space Center

J-2X Engine: Shake, Rattle and Roar

The shake, rattle and roar was brief, but the J-2X test on May 16 at Stennis Space Center moved NASA ever closer to deep space.

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NASA conducted a long duration test of the J-2X powerpack, 340 seconds total, at the Stennis Space Center in southern Mississippi on May 10, marking another step in SLS development, the next-generation rocket that will carry humans deeper into space than ever before.

NASA Continues J-2X Powerpack Testing

NASA conducted a long duration test of the J-2X powerpack, 340 seconds total, at the Stennis Space Center in southern Mississippi on May 10.

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J2X engine test at Stennis Space Center on April 26, 2012

NASA Begins Second Round of Testing on J-2X Engine

NASA has kicked off the next round of J-2X testing, gathering data on the engine nozzle extension, the test stand "clamshell" and start/shutdown.

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Overview: J-2X Engine

    J-2X is a highly efficient and versatile advanced rocket engine with the ideal thrust and performance characteristics to power the upper stage of NASA's Space Launch System, a new heavy-lift launch vehicle capable of missions beyond low-Earth orbit. Fueled by liquid oxygen and liquid hydrogen, the J-2X builds on heritage designs but relies on nearly a half-century of NASA spaceflight experience and technological and manufacturing advances to deliver up to 294,000 pounds of thrust, powering exploration to new destinations in our solar system.

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Blog: J-2X Engine Development

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