Atlantis: Ready for Launch
Credit: AP
The crew of space shuttle Atlantis, from left, commander Chris Ferguson, pilot Doug Hurley, mission specialist Sandy Magnus and mission specialist Rex Walhiem, walk along launch Pad 39A before a news conference during the Terminal Countdown Demonstration Test at the Kennedy Space Center in Cape Canaveral, Fla., Wednesday, June 22, 2011. The launch of Atlantis, the final space shuttle mission, is scheduled for July 8. (AP Photo/John Raoux)
