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4721st Air Defense Group

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4721st Air Defense Group
Active1956–1959
CountryUnited States
BranchUnited States Air Force
TypeFighter Interceptor
RoleAir Defense
Part ofAerospace Defense Command

The4721st Air Defense Groupis a discontinuedgroupof theUnited States Air Force.Its last assignment was with the4700th Air Defense WingatLarson Air Force Base,Washington, where it was last active in 1959.

The group was formed to provide a single command and support organization for the twofighter interceptorsquadrons ofAir Defense Command(ADC), that were tenants at Larson, aTactical Air Command(TAC) base. It was discontinued after the322d Fighter-Interceptor Squadronmoved in 1959, leaving only a single fightersquadronat Larson.

History[edit]

The 4721st Air Defense Group was organized in December 1956 atLarson Air Force Base,Washington[1]to centralize supervision and support of the322d Fighter-Interceptor Squadron(FIS) and the538th FIS.[2]Bothsquadronswere already stationed at Larson, flyingradarequipped andMighty Mouse rocketarmedNorth American F-86D Sabreinterceptor aircraft,[3][4]and assigned directly to the9th Air Division.[5][6]The 4721st was a tenant ofTactical Air Command(TAC)'s 62d Air Base Group (ABG), the host organization at Larson.

In July 1957, the base transferred from TAC toMilitary Air Transport Service,although the 62d ABG remained the host unit.[7]In the summer of 1957, both the 322d FIS and the 538th FIS upgraded to later model Sabres equipped withdata linkto tie them directly into theSemi-Automatic Ground Environmentcommand and control system.[3][4]About June 1958, the 538th FIS converted toLockheed F-104 Starfighters,armed with theM61 Vulcan20mm rotary cannon andAIM-9 Sidewindermissiles.[4]

In April 1959, the 322nd FIS moved toKingsley Field,Oregon and was reassigned out of the group as part of ADC's drawdown at Larson.[5]The following month, the 4721st was discontinued[1]and its remaining squadron, the 538th FIS, was assigned directly to the 4700th Air Defense Wing.[6]

Lineage[edit]

  • Designated as the4721st Air Defense Groupand organized on 1 December 1956
Discontinued on 1 May 1959

Assignments[1]

  • 9th Air Division, 1 December 1956
  • 25th Air Division,15 August 1958
  • 4700th Air Defense Wing, 1 September 1958 – 1 May 1959

Components

  • 322d Fighter-Interceptor Squadron, 1 December 1956 – 1 April 1959
  • 538th Fighter-Interceptor Squadron, 1 December 1956 – 1 May 1959

Stations

  • Larson Air Force Base, Washington, 1 December 1956 – 1 May 59

Aircraft[edit]

  • F-86D 1956–1957
  • F-86L 1957–1959
  • F-104A 1958–1959

Commanders[edit]

  • Col. Louis W. Ford, unknown –ca.30 June 1958[8]
  • Lt Col. John E. Gaffnery,ca.1 July 1958 – unknown[9]

See also[edit]

References[edit]

Notes[edit]

  1. ^abcCornett & Johnson, p. 89
  2. ^"Abstract, History 9 Joint Defense Division, Jul–Dec 1958".Air Force History Index.Retrieved19 January2012.
  3. ^abCornett & Johnson, p. 125
  4. ^abcCornett & Johnson, p. 130
  5. ^abMaurer, p. 396
  6. ^abMaurer, p.645
  7. ^Ravenstein, p. 99
  8. ^"Abstract, History 4721 Air Defense Group, Jan–Jun 1958".Air Force History Index.Retrieved19 January2012.
  9. ^"Abstract, History 4721 Air Defense Group, Jul–Dec 1958".Air Force History Index.Retrieved19 January2012.

Bibliography[edit]

Public DomainThis article incorporatespublic domain materialfrom theAir Force Historical Research Agency

Further reading[edit]