Ares 1 crew launcher rocket building

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Lockheed Martin and Alliant Techsystems are competing for a $900 million contract to build the upper stage rockets for the Ares 1 crew launch vehicle, which will be the expendable rocket system for the Orion vehicle. Alliant already has the contract to build the main stage rocket for the Orion Crew Exploration Vehicle project. The Ares 1 is expected to have a test launch in 2009.

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