Photos: Shuttle Discovery's last flight
Space Shuttle
Credit: AP
The crew of space shuttle Discovery, from left, mission specialists Nicole Stott, Alvin Drew, Michael Barratt, pilot Eric Boe, Steve Bowen and commander Steve Lindsey, leave the Operations and Checkout Building to board the shuttle at pad 39A, Thursday, Feb. 24, 2011. The crew is on an 11-day mission to the international space station. (AP Photo/Wilfredo Lee)
![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]")
