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NASA space-flown Gemini medallions were mission-specific commemorative medallions which were approved by NASA and carried aboard the mission spacecraft into orbit. Gemini 5 was the third crewed mission in the Gemini program. In August 1965, astronauts Gordon Cooper and Charles "Pete" Conrad flew 120 Earth orbits in their spacecraft. The flight broke the Soviet Union's previous world record for duration, set by Vostok 5 in 1963, and was the first time an American-crewed space mission had held the record.
Fliteline medallions were made for each of the crewed Gemini flights, being prepared for the astronauts at their request. It is unclear who prepared these early medallions, only that each individual box containing one bore the word "Fliteline".Photograph credit: Heritage Auctions; commissioned by the NASA astronaut office