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478th Aeronautical Systems Wing
Emblem of the 478th Aeronautical Systems Wing
Country United States
Branch Air Force
Type Aeronautical Systems
Role Depot Level Aircraft Maintenance
Part of Air Force Material Command
Garrison/HQ Wright-Patterson Air Force Base

The 478th Aeronautical Systems Wing (478 ASW) is a wing of the United States Air Force based out of Wright-Patterson Air Force Base, Ohio.

The antecedent group was a Fourth Air Force RTU and west coast air defense fighter unit, 1943-1944. It provided Air Defense in the North-Central United States, 1957-1963. From 2004 to the present it provided Depot level maintenance.


The 478th ASW is a depot-level maintenance organization tasked with the servicing of F-22A Raptor aircraft and weapons systems.



  • Constituted as 478th Fighter Group on 12 October 1943
Activated on 1 December 1943
Disbanded on 31 March 1944
  • Reconstituted and redesignated 478th Fighter Group (Air Defense), on 11 December 1956
Activated on 28 February 1957
Resesignated 478th Fighter Wing (Air Defense) on 28 December 1960
Inactivated on 1 July 1963
  • Reactivated and redesignated 478th Aeronautical Systems Wing, Appx 2004.





 This article incorporates public domain material from the Air Force Historical Research Agency website

  • Maurer, Maurer. Air Force Combat Units of World War II. Maxwell AFB, Alabama: Office of Air Force History, 1983. ISBN 0-89201-092-4.
  • Ravenstein, Charles A. Air Force Combat Wings Lineage and Honors Histories, 1947–1977. Maxwell AFB, Alabama: Office of Air Force History, 1984. ISBN 0-912799-12-9.

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