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One thought on “US Space Force: Air Force Delta Logo Predates Star Trek”
I suspect the delta symbol “first used as early as 1942 by the U.S. Army Air Forcesâ may refer to the insignia for the Air Force Air Transport Command, established in 1942.
I suspect the delta symbol “first used as early as 1942 by the U.S. Army Air Forcesâ may refer to the insignia for the Air Force Air Transport Command, established in 1942.