Photos: Shuttle Discovery's last flight
Space Shuttle
Credit: AP
The contrail of the Space shuttle Discovery hangs over Pad 39A after liftoff 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/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]")
