Air Defense, Tactical Air Command
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Air Defense, Tactical Air Command (ADTAC) was a Named Unit of the United States Air Force, and operated at the Numbered Air Force echelon of Tactical Air Command. It was responsible for the air defense of the United States, and was last stationed at Langley Air Force Base, Virginia. It was last assigned to Tactical Air Command, and was inactivated on 6 December 1985.