said it will team with
in preparation for NASA's Ares I Upper Stage procurement, which is planned for early 2007.
Alliant would be responsible for the Ares I first stage hardware, which includes the interface and separation with the upper stage. UTX's Pratt & Whitney Rocketdyne will take care of the liquid-fuel J-2x engine and related interfaces with the main propulsion system of the Ares I upper stage. Lockheed Martin will provide the avionics for the early Ares I -1 test flight.
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