Factual errors: When Duane returns to Anarene toward the end of the film, he is on leave from the US Army in the middle of the Korean War, around 1952. His hair is clearly too long to pass Army regulations, which limit the length of a soldier's hair, after he has completed basic training. His hair would be too long even for today's Army. Moreover, Duane has sideburns, which the Army would never have permitted.
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