Space shuttle Endeavour, bolted atop a modified jumbo jet, makes its departure from the Kennedy Space Center, Wednesday, Sept. 19, 2012, in Cape Canaveral, Fla. Endeavour will make a stop in Houston before heading to the California Science Center in Los Angeles. (AP Photo/John Raoux)
Space shuttle Endeavour, bolted atop a modified jumbo jet, makes its departure from the Kennedy Space Center, Wednesday, Sept. 19, 2012, in Cape Canaveral, Fla. Endeavour will make a stop in Houston before heading to the California Science Center in Los Angeles. (AP Photo/John Raoux)
