JSC2011-E-059470 (31 May 2011) --- NASA astronaut Doug Hurley, STS-135 pilot, is seen in a partial silhouette against the space shuttle Atlantis as the spacecraft for the program's final mission moves to Launch Pad 39A during rollout at NASA?s Kennedy Space Center in Florida May 31, 2011. Photo credit: NASA photo/Houston Chronicle, Smiley N. Pool