Photos: Shuttle Discovery's last flight
Space Shuttle
Credit: ASSOCIATED PRESS
Commander Steve Lindsey, right, waves as he and the crew of space shuttle Discovery, 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. Others from left, mission specialists Nicole Stott, Michael Barratt, Alvin Drew, Steve Bowen and pilot Eric Boe. (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]")
