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)