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I had never realised that former astronaut John Glenn somewhat challenged Walter Mondale in 1976 and 1984 - the bitter irony being that Mondale was dead set against the space program !
So the challenge is to swap Mondale for Glenn as a) Carter VP in 1976 and b) presidential candidate in the 1984 presidential election.
Bonus if The Right Stuff (released on October 25, 1983) can help.