DescriptionObama leaves KennedySpaceCenter - 201004150007HQ.jpg English: United States President Barack Obama waves farewell after speakingat the Operations
DescriptionBarack Obama arrives atKennedySpaceCenter - 201004150002HQ.jpg English: United States President Barack Obama, left, exits Air Force One with
Obamaspeaking about space flight - 201004150004HQ.jpg English: United States President Barack Obamaspeaks about the future of American human space flight
DescriptionBarack Obama arrives atKennedySpaceCenter - 201004150002HQ (cropped).jpg English: United States President Barack Obama, left, exits Air Force