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| J-2X test Nov. 9, 2011. NASA photo |
STENNIS SPACE CENTER, Miss. - NASA conducted a successful 500-second test of the new upper-stage rocket engine today at John C. Stennis Space Center. The engine will be used to carry humans, cargo and equipment beyond low-Earth orbit on the agency's new heavy lift Space Launch System. Data from the test will be analyzed as operators prepare for additional engine firings. The J-2X and the RS-25D/E engines for the SLS core stage will be tested for flight certification at Stennis. Both engines use liquid hydrogen and liquid oxygen propellants. The core stage engines were developed originally for the space shuttle. The J-2X engine is being developed by Pratt and Whitney Rocketdyne. (Source: NASA, 11/09/11)
