President Barack Obama, left, exits of Air Force One with, from left, Representative US Representative Suzanne M. Kosmas D - FL, U.S Senator Bill Nelson D-FL, NASA Administrator Charles Bolden, and Apollo 11 Astronaut Buzz Aldrin after landing at the NASA Kennedy Space Center in Cape Canaveral, Fla. on Thursday, April 15, 2010. Obama visited Kennedy to deliver remarks on the bold new course the administration is charting to maintain U.S. leadership in human space flight. Photo Credit: NASA/Bill Ingalls NASA Identifier: 201004150002HQ