Two Space Shuttle's were lost in flight : Challenger (STS-51L) and Columbia (STS-107). This presentation bears a piece of an insulation blanket installed in the Space Shuttle Discovery and flown several times in space ! Comes with a numbered certificate of authenticity plus a fact sheet about the Shuttle. PLEASE NOTE : This part has been officially scrapped by NASA after it last flew on STS-70 in 1995 as part of the regular maintenance and comes with a copy of the original NASA problem report that caused the removal from the orbiter. Also certified as flown by well-known space expert Ken Havekotte of SCCS.
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