478th may refer to:
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478th Aeronautical Systems Wing (478 ASW), wing of the United States Air Force based out of Wright-Patterson Air Force Base, Ohio
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478th Bombardment Squadron, inactive United States Air Force unit
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478th Tactical Fighter Squadron, inactive United States Air Force unit
See also
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478 (number)
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478, the year 478 (CDLXXVIII) of the Julian calendar
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478 BC
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