645th Radar Squadron

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.

Lineage

Activated 30 April 1948 as the 645th Aircraft Control Squadron

Redesignated 6 December 1949 as the 645th Aircraft Control and Warning SquadronInactivated 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 1974Inactivated on 1 April 1976

Assignments

503d Aircraft Control and Warning Group, 30 April 1949 – 6 February 1952

Air Defense Command, 28 June 1962

Montgomery Air Defense Sector, 1 November 1962

32d Air Division, 1 April 1966

33d Air Division, 14 November 1969

20th Air Division, 19 November 1969 – 1 April 1976

Stations

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

Notes

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.