564th Air Defense Group

The 564th Air Defense Group is a disbanded United States Air Force organization. Its last assignment was with the 4707th Air Defense Wing, stationed at Otis Air Force Base, Massachusetts, where it was inactivated in 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.

564th Air Defense Group

The 564th Air Defense Group is a disbanded United States Air Force organization. Its last assignment was with the 4707th Air Defense Wing, stationed at Otis Air Force Base, Massachusetts, where it was inactivated in 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.