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517th Air Defense Group

517th Air Defense Group
37th Fighter-Interceptor Squadron North American F-86D Sabre at Ethan Allen AFB
Active 1945, 1953–1955
Country  United States
Branch  United States Air Force
Role Air Defense
Part of Air Defense Command

The 517th Air Defense Group is a disbanded 4711th Air Defense Wing at Ethan Allen Air Force Base, Vermont. It was inactivated on 18 August 1955.

The group was originally activated as a support unit for a bombardment group group at the end of World War II in Italy and then redeployed to the Caribbean, where it supported units redeploying from Europe until it was inactivated in 1945.

The group was activated once again in 1953, when 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 14th Fighter Group in a project that replaced air defense groups commanding fighter squadrons with fighter groups with distinguished records during World War II.


  • History 1
    • World War II 1.1
    • Cold War 1.2
  • Lineage 2
    • Assignments 2.1
    • Stations 2.2
    • Components 2.3
    • Aircraft 2.4
    • Commanders 2.5
  • See also 3
  • References 4
    • Notes 4.1
    • Bibliography 4.2
  • External links 5


World War II

The 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. Designed to support a single combat group.[2] Its 943rd Air Engineering Squadron was to provide maintenance that was beyond the capability of the combat group, its 767th Air Materiel Squadron to handle all supply matters, and its Headquarters & Base Services Squadron to provide other support.[2] Together with the 518th Air Service Group, it supported the 464th and 465th Bombardment Groups at Pantanella Airfield[1] (the unit histories are contradictory concerning whether the 517th supported the 464th or 465th group). The group relocated to Trinidad[1] and provided support to combat units redeploying from Europe to the United States. It was disbanded in 1948.[3]

Cold War

134th Fighter Squadron F-51H Mustangs[note 1]

During the squadrons to perform its support responsibilities.[7][8]

The 37th FIS converted to airborne intercept radar equipped and HVAR rocket armed North American F-86 Sabres in June 1953.[5] The group was inactivated in 1955[4] and replaced by the 14th Fighter Group (Air Defense)[9][10] as result of Air Defense Command'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.[11] The group was disbanded once again in 1984.[12]


  • Constituted as 517th Air Service Group
Activated on 13 January 1945
Inactivated on 31 July 1945
Disbanded on 8 October 1948
  • Reconstituted and redesignated 517th Air Defense Group on 21 January 1953
Activated on 16 February 1953
Inactivated on 18 August 1955
Disbanded on 27 September 1984


  • XII Air Force Service Command, 13 January 1945 - ca. 27 May 1945
  • Caribbean Wing, Air Transport Command ca 6 June 1945 - 31 July 1945
  • 4711th Defense Wing, (later 4711th Air Defense Wing), 16 February 1953 – 18 August 1955


  • Caserta, Italy 13 January 1945 - 1945
  • Pantanella Airfield, Italy 1945 -27 May 1945
  • Waller Field, Trinidad 16 June 1945 - 31 July 1945
  • Ethan Allen AFB, Vermont, 16 February 1953 – 18 August 1955


Operational Squadron

  • 37th Fighter-Interceptor Squadron, 16 February 1953 – 18 August 1955[13]

Support Units

  • 517th Air Base Squadron, 16 February 1953 - 18 August 1955
  • 517th Materiel Squadron, 16 February 1953 - 18 August 1955[7]
  • 517th Medical Squadron (later 517th USAF Infirmary),[8] 16 February 1953 - 18 August 1955
  • 767th Air Materiel Squadron 13 January 1945 - 31 July 1945
  • 943rd Air Engineering Squadron 13 January 1945 - 31 July 1945


  • F-51D, 1953
  • F-86D, 1953-1955


  • Maj. William C. Richardson, ca. 13 Jan 1945 - ca. Feb 1945[14]
  • Lt Col. Lloyd L. Connell, ca. Feb 1945 - after 15 Jun 1945[1]
  • Unknown 16 Feb 1953 - 18 Aug 1955

See also



Explanatory notes

  1. ^ The F-51s of the 134th FIS were transferred to the 37th FIS when the 134th was returned to the control of the Air National Guard on 1 November 1952. The 37th FIS continued to fly them until it equipped with Sabres in 1953.


  1. ^ a b c d "History 517 Air Service Group, Jan-May 1945". Air Force History Index. Retrieved January 6, 2012. 
  2. ^ a b Coleman, p. 208
  3. ^ Department of the Air Force Letter, 322 (AFOOR 887e), 8 October 1948, Subject: Disbandment of Certain Inactive Air Force Units
  4. ^ a b Cornett & Johnson, p. 82
  5. ^ a b Cornett & Johnson, p.114
  6. ^ a b Maurer, Combat Squadrons, p. 176
  7. ^ a b Cornett & Johnson, p.147
  8. ^ a b See "History 517 Infirmary Jan-Jun 1955". Air Force History Index. Retrieved June 21, 2012. 
  9. ^ Maurer, Combat Units, p. 58
  10. ^ Robertson, Patsy (November 6, 2007). "Factsheet 14 Operations Group (AETC)". Air Force Historical Research Agency. Retrieved March 3, 2012. 
  11. ^ Buss, Sturm, Volan & McMullen, p.6
  12. ^ Department of the Air Force/MPM Letter 575q, 27 Sep 1984, Subject: Disbandment of Units
  13. ^ Robertson, Patsy (December 11, 2007). "Factsheet 37 Flying Training Squadron (AETC)". Air Force Historical Research Agency. Retrieved March 3, 2012. 
  14. ^ "History 517 Air Service Group Jan-Feb 1945". Air Force History Index. Retrieved January 6, 2012. 


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

  • 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)
  • Coleman, John M (1950). The Development of Tactical Services in the Army Air Forces. New York, NY: Columbia University Press. 
  • Cornett, Lloyd H; Johnson, Mildred W (1980). A Handbook of Aerospace Defense Organization, 1946–1980. Peterson AFB, CO: Office of History, Aerospace Defense Center. 
  • Maurer, Maurer, ed. (1983) [1961]. Air Force Combat Units of World War II (reprint ed.). Washington, DC: Office of Air Force History.  
  • Maurer, Maurer, ed. (1982) [1969]. Combat Squadrons of the Air Force, World War II (reprint ed.). Washington, DC: Office of Air Force History.  

Further Reading

  • Grant, C.L., (1961) The Development of Continental Air Defense to 1 September 1954, USAF Historical Study No. 126
  • Leonard, Barry (2009). History of Strategic Air and Ballistic Missile Defense. Vol I. 1945-1955. Fort McNair, DC: Center for Military History.  

External links

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