Photos: Shuttle Discovery's last flight
Space Shuttle
Credit: AP
STS-133 crew members, from left, Nicole Stott, Michael Barratt, Alvin Drew, Steve Bowen, Eric Boe, and Steve Lindsey, pose for a photo before heading to the launch pad at Kennedy Space Center in Cape Canaveral, Fla., Thursday, Feb. 24, 2011. The space shuttle Discovery is scheduled to lift off this afternoon on an 11-day mission to the international space station. (AP Photo/Chris O'Meara)
![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]")
