FILE - In this Friday, Sept. 17, 1976 file photo, cast members from the television series Star Trek, from left, Leonard Nimoy who portrayed Spock; George Takei who was Sulu; DeForest Kelly who was Dr. McCoy and James Doohan, who was Scotty, attend a ceremony for the space shuttle prototype Enterprise in Palmdale, Calif. Most of the shuttles were named after seafaring ships of yore: Columbia, Challenger, Discovery, Atlantis and Endeavour. The prototype Enterprise was the exception, named after the "Star Trek" starship at fans’ request. (AP Photo)
Shuttle program ends with Atlantis mission
The American space shuttle program ends after Atlantis' last flight.