Photos: Shuttle Discovery's last flight
Space Shuttle
Credit: AP
Space shuttle Discovery lifts off from Pad 39A at the Kennedy Space Center in Cape Canaveral, Fla., Thursday, Feb. 24, 2011. Discovery, the world's most traveled spaceship, thundered into orbit for the final time Thursday, heading toward the International Space Station with a crew of six on a journey that marks the beginning of the end of the shuttle era. (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]")
