Technicians switched off Endeavour's displays and systems for the final time.
Secured atop NASA's Shuttle Carrier Aircraft, space shuttle Discovery started its final journey with a sunrise takeoff at 7 a.m. EDT.
Recently, NASA's space shuttles were on the move as part of the transition and retirement activities at Kennedy Space Center in Florida.
The "vehicle powered" light is turned off for the last time as two shuttle orbiters' flight decks go dark.
One of NASA's two space shuttle carrier aircraft to be retired after final hop from Edwards AFB to he Dryden Aircraft Operations Facility in Palmdale.