Photos: Shuttle Discovery's last flight
Space Shuttle
Credit: ASSOCIATED PRESS
STS-133 crew members, front row from left, pilot Eric Boe, commander Steve Lindsey, second row, mission specialist Alvin Drew, Steve Bowen, third row from left, Nicole Stott, and Michael Barratt, leave the Operations and Checkout Building at the Kennedy Space Center in Cape Canaveral, Fla., for a trip to the launch pad 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]")
