478th Aeronautical Systems Wing

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.

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

Lineage

 * 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.

Assignments

 * San Francisco Fighter Wing, 1 December 1943
 * Seattle Fighter Wing, 3 February-31 March 1944
 * Central Air Defense Force, 28 February 1957
 * 31st Air Division, 8 February 1957
 * 29th Air Division, 1 January  1959
 * Central Air Defense Force, 1 July 1959
 * Grand Forks Air Defense Sector, 28 December 1960-1 July 1963
 * Air Materiel Command, 2004–present (Apprx)

Components

 * 18th Fighter-Interceptor Squadron, 1 February 1961-1 July 1963
 * 546th Fighter Squadron, 1 December 1943-31 March 1944

Stations

 * Hamilton Field, California, 1 December 1943
 * Santa Rosa Army Airfield, California, 12 December 1943
 * Redmond Army Airfield, Oregon, 3 February-31 March 1944
 * Grand Forks AFB, North Dakota, 20 February 1957-1 July 1963
 * Wright-Patterson AFB, Ohio, 2004–present (Apprx)