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Chicago Air Defense Sector

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Title: Chicago Air Defense Sector  
Author: World Heritage Encyclopedia
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Subject: Snow Mountain Air Force Station, Truax Field Air National Guard Base, Arlington Heights Air Force Station, 327th Aircraft Sustainment Wing, Hanna City Air Force Station
Publisher: World Heritage Encyclopedia

Chicago Air Defense Sector

Chicago Air Defense Sector
Emblem of the Chicago Air Defense Sector
Active 1957–1966
Country United States
Branch  United States Air Force
Role Air defense
Part of Air Defense Command
Map of Chicago ADS

The Chicago Air Defense Sector (CADS) is an inactive Air Defense Command (ADC) 30th Air Division at Truax Field Wisconsin. It was inactivated on 1 April 1966.


CADS was established by redesignation of the never active 4628th Air Defense Wing at Truax Field, Wisconsin in March 1957[1] with a mission to provide radar squadrons.

On 1 October 1959, the new Semi Automatic Ground Environment (SAGE) Direction Center (DC-07) and a Combat Center (CC-02) became operational. DC-07 was equipped with dual AN/FSQ-7 Computers. The day-to-day operations of the command were to train and maintain tactical flying units flying jet interceptor aircraft (F-102 Delta Dagger, F-106 Delta Dart) and radar squadrons in a state of readiness with training missions and series of exercises with Strategic Air Command and other units simulating interceptions of incoming enemy aircraft.

The Sector was inactivated 1 April 1966[1] as part of ADC reorganization and consolidation, the command being replaced at Truax Field by the 20th Air Division,[3] and its units in Indiana were reassigned to the 34th Air Division.


  • Designated as 4628th Air Defense Wing, SAGE in 1956
Redesignated as Chicago Air Defense Sector and activated on 8 March 1957
Discontinued and inactivated on 1 April 1966



  • Truax Field, Wisconsin, 8 March 1957 - 1 April 1966



Truax Field, Wisconsin, 1 June 1959 - 1 April 1966

Interceptor Squadron

Bunker Hill AFB, Indiana, 1 July 1960 - 1 February 1963

Radar Squadrons


  • F-102A, 1959-1966
  • F-106A, 1960-1963

See also


  1. ^ a b 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. 57. 
  2. ^ Cornett & Johnson, p. 37 (Map)
  3. ^ Cornett & Johnson, p. 36
  4. ^ Cornett & Johnson, p. 79
  5. ^ Maurer, Maurer, ed. (1982) [1969]. Combat Squadrons of the Air Force, World War II (reprint ed.). Washington, DC: Office of Air Force History. p. 391.  
  6. ^ Cornett & Johnson, p. 159
  7. ^ Cornett & Johnson, p. 162
  8. ^ Cornett & Johnson, p. 164
  9. ^ a b c d e f Cornett & Johnson, pp. 168-170


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

External links

  • Photos of the Chicago Air Defense Sector
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