Photos: Shuttle Discovery's last flight
Space Shuttle
Credit: AP
Crew members of space shuttle Discovery, from left, mission specialist's Nicole Stott, Michael Barratt, Alvin Drew and Steve Bowen leave the Operations and Checkout Building to be transported to Pad 39A to prepare for launch at the Kennedy Space Center in Cape Canaveral, Fla., Thursday, Feb. 24, 2011. (AP Photo/John Raoux)
![Space shuttle Discovery ready for voyage to museum [PHOTOS]](http://media.azfamily.com/images/96*53/SHUTTLE-BKGD.jpg "Space shuttle Discovery ready for voyage to museum [PHOTOS]")
