477th may refer to:

• 477th Bombardment Squadron, inactive United States Air Force unit
• 477th Fighter Group, the Air Force Reserve Command's first F-22A Raptor unit
• 477th Tactical Fighter Squadron, inactive United States Air Force unit

• 477 (number)
• 477, the year 477 (CDLXXVII) of the Julian calendar
• 477 BC

Topics referred to by the same term

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