Photos: Endeavour flies over Ariz. en route to Calif. home
Endeavour flies over Ariz. en route to Calif. home
Credit: Getty Images
IN SPACE - MAY 18: In this handout provided by National Aeronautics and Space Administration (NASA), NASA space shuttle Endeavour begins the nine-minute Rendezvous Pitch Maneuver, or 'backflip,' in order to be photographed then dock on its last visit to the International Space Station on May 18, 2011 in space. After 20 years, 25 missions and more than 115 million miles in space, Endeavour is on its final flight to the International Space Station before being retired and donated to the California Science Center in Los Angeles. Capt. Mark E. Kelly, Gabrielle Giffords's husband, will lead mission STS-134 as it delivers the Express Logistics Carrier-3 (ELC-3) and the Alpha Magnetic Spectrometer (AMS-2) to the International Space Station. (Photo by NASA via Getty Images)
![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]")
