Twitter Archive | June 10, 2021 | Worn as a summer uniform until 1971, it was nicknamed...

@SFOMuseum Twitter Posts This is SFO Museum's archive of the @SFOMuseum Twitter account.

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Worn as a summer uniform until 1971, it was nicknamed “The Caterpillar” by Northwest Orient Airlines flight crew and included a striped trapper hat with green side flaps. #FlightPatterns . This tweet was posted on June 10, 2021.