The space shuttle Atlantis moves to Launch Pad 39A during rollout at the Kennedy Space Center on Tuesday, May 31, 2011, in Florida. ( NASA Photo / Houston Chronicle, Smiley N. Pool ).
The space shuttle Atlantis moves to Launch Pad 39A during rollout at the Kennedy Space Center on Tuesday, May 31, 2011, in Florida. ( NASA Photo / Houston Chronicle, Smiley N. Pool ).