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  • 4 Comptroller Squadron (ACC)

    Lineage.  Constituted as 4 Finance Disbursing Unit, Fighter, Jet on 14 Jun 1948.  Activated on 1 Aug 1948.  Inactivated on 3 Nov 1949.  Disbanded on 9 Aug 1950.  Reconstituted, redesignated as 4 Comptroller Squadron, and activated, on 15 Aug 1988.Assignments.   4 Air Base Group, 1 Aug 1948-3 Nov

  • 4 Electromagnetic Warfare Squadron (SpOC)

    Lineage.  Constituted as 4 Surveillance Squadron on 26 Sep 1990.  Activated on 1 Oct 1990.  Redesignated as: 4 Space Surveillance Squadron on 15 May 1992; 4 Space Control Squadron on 1 Mar 2003.  Changed status from a unit of United States Air Force armed force to a unit of United States Space Force

  • 4 Equipment Maintenance Sq (ACC)

    Lineage.  Maintenance Squadron, 4 Maintenance and Supply Group (designated on 28 Jul 1947; organized on 15 Aug 1947; discontinued on 1 Aug 1948) and the 4 Maintenance Squadron, Fighter, Jet (constituted on 14 Jun 1948, activated on 1 Aug 1948; redesignated 4 Maintenance Squadron on 20 Jan 1950;

  • 4 Expeditionary Air Mobility Sq (AMC)

    Lineage.  Constituted as 4 Air Cargo Resupply Squadron on 31 Jul 1944.  Activated on 29 Aug 1944.  Inactivated on 15 Jan 1946.  Redesignated as 4 Military Airlift Support Squadron (Mobile Enroute), and activated, on 3 May 1966.  Organized on 1 Jul 1966.  Inactivated on 1 Jul 1973.  Redesignated as 4

  • 4 Field Investigations Region (USAF)

    Lineage.  Established as 4 Field Investigations Region on 1 Jun 1992.  Activated on 16 Jun 1992. Assignments.  Air Force Office of Special Investigations, 16 Jun 1992-.Stations.  Randolph AFB (later, Joint Base San Antonio-Randolph), TX, 16 Jun 1992-.Service Streamers.  None. Campaign Streamers. 

  • 4 Fighter Generation Squadron (ACC)

    Lineage.  Constituted as 4 Fighter Generation Squadron on 28 Jun 2021. Activated on 8 Jul 2021. Assignments.  388 Maintenance Group, 8 Jul 2021-.Stations.  Hill AFB, UT, 8 Jul 2021-.Service Streamers.  None. Campaign Streamers.  None.Armed Forces Expeditionary Streamers.  None.Decorations. 

  • 4 Fighter Squadron

    Lineage.  Constituted as 4 Pursuit Squadron (Interceptor) on 20 Nov 1940.  Activated on 15 Jan 1941.  Redesignated as: 4 Fighter Squadron on 15 May 1942; 4 Fighter Squadron, Single Engine, on 20 Aug 1943.  Inactivated on 7 Nov 1945.  Redesignated as 4 Fighter Squadron (All Weather) on 19 Dec 1946.

  • 4 Fighter Wing (ACC)

    Lineage.   Established as 4 Fighter Wing on 28 Jul 1947.  Organized on 15 Aug 1947. Redesignated as: 4 Fighter-Interceptor Wing on 20 Jan 1950; 4 Fighter-Bomber Wing on 8 Mar 1955; 4 Fighter-Day Wing on 25 Apr 1956; 4 Tactical Fighter Wing on 1 Jul 1958; 4 Wing on 22 Apr 1991; 4 Fighter Wing on 1

  • 4 Healthcare Operations Squadron (ACC)

    Lineage.  Constituted as 4 Medical Operations Squadron on 26 Aug 1994.  Activated on 1 Sep 1994.  Redesignated as 4 Healthcare Operations Squadron on 1 Aug 2019.Assignments.  4 Medical Group, 1 Sep 1994-.Stations.  Seymour Johnson AFB, NC, 1 Sep 1994-.Service Streamers.  None.Campaign Streamers.

  • 4 Maintenance Group (ACC)

    Lineage.  Established as 4 Maintenance and Supply Group on 28 Jul 1947.  Organized on 15 Aug 1947.  Discontinued on 1 Aug 1948.  Consolidated (19 Sep 1995) with the 4 Maintenance and Supply Group, which was established on 14 Jun 1948.  Activated on 1 Aug 1948.  Inactivated on 8 Dec 1957.