NASA Kennedy Space Center Director bob Cabana shakes hands with President Barack Obama as he and Gen. C. Robert Kehler, Commander, Air Force Space Command, left, welcome the President to Kennedy 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)

Gen. C. Robert Kehler, Commander, Air Force Space Command, left, NASA Deputy Administrator Lori Garver, 2nd from left, NASA Kennedy Space Center Director Bob Cabana, and Col. Burke E. Wilson is the Commander, 45th Space Wing, right, welcome the arrival of Air Force One and President Barack Obama to 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)

CAPE CANAVERAL, Fla. - In the Operations and Checkout Building at NASA's Kennedy Space Center in Florida, Gen. C. Robert 'Bob' Kehler, Commander of the Air Force Space Command at Peterson Air Force Base in Colorado, speaks with other members of the Conference on the American Space Program for the 21st Century following President Barack Obama's remarks describing the new course his administration is charting for NASA and the future of U.S. leadership in human spaceflight. Photo credit: NASA_Jim Grossmann