page_title: 566th Air Defense Group
hierarchical_section_title: 566th Air Defense Group
caption_attribution_description: English: 84th Fighter-Interceptor Squadron Northrop F-89C-5-NO Scorpion 50-746 1952 Stationed at Hamilton Air Force Base, California. Preparing for takeoff on a training mission
context_page_description: The 566th Air Defense Group is a disbanded unit of the United States Air Force. Its last assignment was with the 28th Air Division at Hamilton Air Force Base, California where it was inactivated on 18 August 1955. The group was originally activated as a support unit for a combat group at the end of World War II but never deployed before it was inactivated in 1945.
  The group was activated once again in 1952 to replace the support elements of the inactivating 78th Fighter-Interceptor Wing. A year later ADC established it as an operational headquarters for fighter-interceptor squadrons as well. It was replaced in 1955 when ADC transferred its mission, equipment, and personnel to the 78th Fighter Group in a project that replaced air defense groups commanding fighter squadrons with fighter groups with distinguished records during World War II.
context_section_description: The 566th Air Defense Group  is a disbanded unit of the United States Air Force. Its last assignment was with the 28th Air Division at Hamilton Air Force Base, California where it was inactivated on 18 August 1955. The group was originally activated as a support unit for a combat group at the end of World War II but never deployed before it was inactivated in 1945.
  The group was activated once again in 1952 to replace the support elements of the inactivating 78th Fighter-Interceptor Wing.  A year later ADC established it as an operational headquarters for fighter-interceptor squadrons as well.  It was replaced in 1955 when ADC transferred its mission, equipment, and personnel to the 78th Fighter Group in a project that replaced air defense groups commanding fighter squadrons with fighter groups with distinguished records during World War II.
caption: Cannon armed F-89 of the 84th FIS at Hamilton AFB
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