645th Radar Squadron

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645th Radar Squadron
645th Radar Squadron - Emblem.png
Emblem of the 645th Radar Squadron
Active 1948–1952, 1962-1976
Country United States
Branch United States Air Force
Type General Radar Surveillance

The 645th Radar Squadron is an inactive United States Air Force unit. It was last assigned to the 20th Air Division, Aerospace Defense Command, stationed at Patrick Air Force Base, Florida. It was inactivated on 1 April 1976.

The unit was a General Surveillance Radar squadron providing for the air defense of the United States.


  • Activated 30 April 1948 as the 645th Aircraft Control Squadron
Redesignated 6 December 1949 as the 645th Aircraft Control and Warning Squadron
Inactivated on 6 February 1952
  • Redesignated 645th Radar Squadron (SAGE)and activated on 28 June 1963
  • Organized on 1 November 1962
Redesignated 645th Radar Squadron on 1 February 1974
Inactivated on 1 April 1976



  • Roslyn AFS, New York, 1 April 1948
  • Selfridge AFB, Michigan, March 1949
  • Roslyn AFS, New York, 8 December 1949 - 6 February 1952
  • Patrick AFB, Florida, 28 June 1962 – 1 April 1976


  • The squadron was programmed for activation in the 1950s at Marathon AS, Ontario, but this action was cancelled. During the 1960s Air Force units that were activated were paper units until they were organized.


 This article incorporates public domain material from the Air Force Historical Research Agency website http://www.afhra.af.mil/.

  • Cornett, Lloyd H. and Johnson, Mildred W., A Handbook of Aerospace Defense Organization 1946 - 1980,[1] Office of History, Aerospace Defense Center, Peterson AFB, CO (1980)
  • Winkler, David F. & Webster, Julie L., Searching the Skies, The Legacy of the United States Cold War Defense Radar Program, [2] US Army Construction Engineering Research Laboratories, Champaign, IL (1997)

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