JSC2011-E-059446 (31 May 2011) --- The crew of the space shuttle Atlantis, from left, commander Chris Ferguson, pilot Doug Hurley and mission specialists Sandy Magnus and Rex Walheim address a news conference as the shuttle moves to Launch Pad 39A during rollout at NASA?s Kennedy Space Center in Florida on May 31, 2011. Photo credit: NASA Photo/Houston Chronicle, Smiley N. Pool