NASA astronaut candidate (1953–1986) who was killed as a passenger in an airplane accident a year after being accepted for astronaut training. Color 8 x 10 NASA photo of Thorne in his blue flight suit next to a space shuttle model, signed in black felt tip, “Steve Thorne.” In very fine condition. Thorne is rated the toughest astronaut signature to acquire as he was killed shortly after being selected as an astronaut. Pre-certified Steve Zarelli and RR Auction COA.
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