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NASA Tests Deep Space J-2X Rocket Engine at Stennis
September 28, 2011

A 40-second test of the J-2X rocket engine Sept. 28, 2011 The 40-second test of the J-2X rocket engine on Sept. 28, 2011. (NASA/SSC)
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NASA conducted a 40-second test of the J-2X rocket engine Sept. 28, the most recent in a series of tests of the next-generation engine selected as part of the Space Launch System architecture that will once again carry humans into deep space. It was a test at the 99 percent power level to gain a better understanding of start and shutdown systems as well as modifications that had been made from previous test firing results.

The test at NASA's John C. Stennis Space Center in south Mississippi came just two weeks after the agency announced plans for the new SLS to be powered by core-stage RS-25 D/E and upper-stage J-2X engines. The liquid hydrogen/liquid oxygen J-2X is being developed for NASA's Marshall Space Flight Center in Huntsville, Ala., by Pratt & Whitney Rocketdyne.

View video of the J-2X 40-second test:[image-47]
 

Michael Braukus/J.D. Harrington, 202-358-1979/5241
Headquarters, Washington
Michael.J.Braukus@nasa.gov, J.D.Harrington@nasa.gov

Rebecca Strecker, 228-688-3249
Stennis Space Center, Miss.
Rebecca.A.Strecker@nasa.gov

Dan Kanigan, 256-544-0034
Marshall Space Flight Center, Huntsville, Ala.
Daniel.N.Kanigan@nasa.gov

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