515th Air Defense Group

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515th Air Defense Group
F-86D and Mighty Mouse.jpg
Active 1944-1945, 1953–1955
Country  United States
Branch  United States Air Force
Type Fighter Interceptor
Role Air Defense
Part of Air Defense Command

The 515th Air Defense Group is a disbanded United States Air Force (USAF) organization. Its last assignment was with the 31st Air Division, stationed at Duluth Municipal Airport, Minnesota, where it was inactivated in 1955. The group was originally activated as a support unit for a combat group at the end of World War II in Italy and then redeployed to Okinawa, where it continued that mission until it was inactivated in 1945.

The group was activated once again in 1953, when Air Defense Command (ADC) established it as the headquarters for a dispersed fighter-interceptor squadron and the medical, maintenance, and administrative squadrons supporting it. It was replaced in 1955 when ADC transferred its mission, equipment, and personnel to the 343d Fighter Group in a project that replaced air defense groups commanding fighter squadrons with fighter groups with distinguished records during World War II.


World War II

The group was activated as the 515th Air Service Group in late 19441 as part of a reorganization of Army Air Forces (AAF) support groups in which the AAF replaced Service Groups that included personnel from other branches of the Army and supported two combat groups with Air Service Groups including only Air Corps units. The unit was designed to support a single combat group.2 Its 941st Air Engineering Squadron3 provided maintenance that was beyond the capability of the combat group, its 765th Air Materiel Squadron4 handled all supply matters, and its Headquarters & Base Services Squadron provided other support.2 It supported one combat group in Italy. In May 1945, the group assumed responsibility for supporting units that were redeploying from the Mediterranean Theater of Operations.5 It moved to the Pacific Theater and provided the same support on Okinawa until inactivated in 1945. The 515th was disbanded in 1948.6

Cold War

The group was redesignated as an air defense group, reconstituted and activated at Duluth Municipal Airport in 19537 with responsibility for air defense of Great Lakes area.citation needed It was assigned the 11th Fighter-Interceptor Squadron (FIS), which was already stationed at Duluth Airport, and flying World War II era North American F-51 Mustangs8 as its operational component.9 The 11th FIS had been assigned directly to the 31st Air Division.9 The group replaced 73rd Air Base Squadron as the USAF host unit at Duluth Airport. It was assigned three squadrons to perform its support responsibilities.1011

The 11th FIS converted to HVAR rocket armed and airborne intercept radar equipped North American F-86D Sabres in the fall of 1953.8 The squadron began flying two-seat Northrop F-89 Scorpions in June 1955.8 The group was inactivated and replaced by 343d Fighter Group (Air Defense) in 1955712 as part of ADC's Project Arrow, which was designed to bring back on the active list the fighter units which had compiled memorable records in the two world wars.13 The 515th was disbanded once again in 1984.14


  • Constituted as 515th Air Service Group
Activated on 28 December 19441
Inactivated on 29 October 1945
Disbanded on 8 October 1948
  • Reconstituted and redesignated 515th Air Defense Group on 21 January 1953
Activated on 16 February 1953
Inactivated on 18 August 1955
Disbanded on 27 September 1984


  • Air Force Service Command, Mediterranean Theater of Operations, 28 December 1944 - 1945
  • Unknown, 1945 - 29 October 1945
  • 31st Air Division, 16 February 1953 – 18 August 19557




  • North American F-51D Mustang, 1953
  • North American F-86D Sabre, 1953-1955
  • Northrop F-89D Scorpion, 1955


  • Lt Col. Fergus H. Eddy, 28 Dec 1944 - unknown15
  • Unknown 16 Feb 1953 - 18 Aug 1955

See also



  1. ^ a b c "Abstract, History 515 Air Service Group Dec 1944". Air Force History Index. Retrieved January 5, 2012. 
  2. ^ a b Coleman, John M (1950). The Development of Tactical Services in the Army Air Forces. New York, NY: Columbia University Press. p. 208. 
  3. ^ "Abstract, History 941 Air Engineering Squadron Dec 1944". Air Force History Index. Retrieved January 5, 2012. 
  4. ^ "Abstract, History 765 Air Materiel Squadron Dec 1944". Air Force History Index. Retrieved January 5, 2012. 
  5. ^ "Abstract, History 515 Air Service Group May 1945". Air Force History Index. Retrieved January 5, 2012. 
  6. ^ Department of the Air Force Letter, 322 (AFOOR 887e), 8 October 1948, Subject: Disbandment of Certain Inactive Air Force Units
  7. ^ a b c Cornett, Lloyd H; Johnson, Mildred W (1980). A Handbook of Aerospace Defense Organization, 1946 - 1980. Peterson AFB, CO: Office of History, Aerospace Defense Center. p. 82. 
  8. ^ a b c Cornett & Johnson, p. 114
  9. ^ a b Maurer, Maurer, ed. (1982) [1969]. Combat Squadrons of the Air Force, World War II (reprint ed.). Washington, DC: Office of Air Force History. p. 62. ISBN 0-405-12194-6. 
  10. ^ a b Cornett & Johnson, p.147
  11. ^ a b See "Abstract, History 515 Infirmary Jul-Dec 1953". Air Force History Index. Retrieved June 20, 2012. 
  12. ^ Maurer, Maurer, ed. (1983) [1961]. Air Force Combat Units of World War II (reprint ed.). Washington, DC: Office of Air Force History. p. 221. ISBN 0-912799-02-1. 
  13. ^ Buss, Lydus H.(ed), Sturm, Thomas A., Volan, Denys, and McMullen, Richard F., History of Continental Air Defense Command and Air Defense Command July to December 1955, Directorate of Historical Services, Air Defense Command, Ent AFB, CO, 1956., p.6
  14. ^ Department of the Air Force/MPM Letter 575q, 27 Sep 1984, Subject: Disbandment of Units
  15. ^ "Abstract, History 515 Air Service Group Jan 1945". Air Force History Index. Retrieved January 5, 2012. 


 This article incorporates public domain material from websites or documents of the Air Force Historical Research Agency.

Further Reading

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