Photos: Shuttle Discovery's last flight
Space Shuttle
Credit: AP
Space shuttle Discovery pilot Eric Boe, left, mission specialist Alvin Drew, center, and commander Steve Lindsey 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]")
