Article: Pratt & Whitney Rocketdyne Successfully Demonstrates Rocket Stability Control with Peacekeeper Hardware.

Pratt & Whitney Rocketdyne successfully demonstrated its ability to provide rocket stability using heritage U.S. Air Force Peacekeeper missile system hardware during NASA's first Ares l-X test flight today from Kennedy Space Center. The Ares l-X successfully rolled 90 degrees to mimic the orientation that the Ares I rocket will use, and is another step forward in Pratt & Whitney Rocketdyne's cooperative effort with NASA to develop the propulsion system for the next-generation of manned spaceflight. Pratt & Whitney Rocketdyne is a United Technologies Corp. (NYSE:UTX) company.

"The heritage hardware kept the test vehicle on a proper trajectory, demonstrating its ...

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