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Associated Press
NASA Administrator Charles Bolden, left, and SpaceX CEO Elon Musk, right, answer questions in front of the SpaceX Dragon spacecraft Wednesday June 13, 2012 at the SpaceX Rocket Development Facility in McGregor, Texas. The spacecraft recently made history as the first commercial vehicle to visit the International Space Station. The California-based SpaceX is the first private business to send a cargo ship to the space station. (AP Photo/Waco Tribune-Herald, Duane A. Laverty)

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