520th Air Defense Group
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The 520th Air Defense Group is a disbanded United States Air Force organization. Its last assignment was with the 4706th Air Defense Wing at Truax Field, Wisconsin, where it was inactivated in 1955. T
F-86D Sabres of the group's 432d Fighter-Interceptor Squadron
F-89 of the 432d FIS
Western Air Defense Force
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The Western Air Defense Force is an inactive United States Air Force organization. Its last assignment was with Air Defense Command being stationed at Hamilton Air Force Base, California. It was inact
Regions of ADC Air Defense Forces and known Air Force Bases with ADC units, 1949–1960 Note: States containing ADC bases of Western & Central ADF and Eastern & Central ADF identified as Central/Western and Central/Eastern