639th_Aircraft_Control_and_Warning_Squadron
639th Aircraft Control and Warning Squadron
Military unit
The 639th Aircraft Control and Warning Squadron is an inactive United States Air Force unit. It was last assigned to the Sault Sainte Marie Air Defense Sector, Air Defense Command, stationed at Lowther Air Station, Ontario, Canada. It was inactivated on 1 July 1963.
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The unit was a general surveillance radar squadron providing for the air defense of North America.
Lineage
- Activated as 639th Aircraft Control and Warning Squadron, 1 December 1956
- Inactivated on 1 July 1963
Assignments
- 37th Air Division, 1 December 1956
- 30th Air Division, 1 April 1959
- Sault Sainte Marie Air Defense Sector, 1 April 1960 – 1 July 1963
Stations
- Truax Field, Wisconsin, 1 December 1956
- Lowther Air Station, 1 July 1957 – 1 July 1963