The 20th Air Division is an inactive United States Air Force organization. Its last assignment was with Tactical Air Command at Tyndall Air Force Base, Florida where it was inactivated on 1 March 1983.
The 33rd Air Division is an inactive United States Air Force organization. Its last assignment was with Air Defense Command, assigned to First Air Force, being stationed at Fort Lee Air Force Station, Virginia. It was inactivated on 19 November 1969.
Watertown Air Force Station is a closed United States Air Force ADCOM General Surveillance Radar station 3.5 miles (5.6 km) south of Watertown, New York. Prior to the Air Defense squadron inactivating on 1 November 1979, the station was reassigned to Tactical Air Command which maintained the Ground Air Transmitter Receiver until early 1984. A New York State jail opened at the site c. 1983.
The Washington Air Defense Sector (WaADS) is an inactive United States Air Force organization. Its last assignment was with the Air Defense Command (ADC) 26th Air Division, being stationed at Fort Lee Air Force Station (AFS), Virginia. It was inactivated on 1 April 1966.
Charleston Air Force Station is a defunct Air Force Station that opened in 1952 and closed in 1980. It was located in Charleston, Maine and is the site of a radar station and other buildings. After closure, it was redeveloped into a juvenile jail for the state of Maine.
Calumet Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 5.2 miles (8.4 km) east-northeast of Phoenix, Michigan. It was closed in 1988 by the Air Force, and turned over to the Federal Aviation Administration (FAA).
Bedford Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 12.7 miles (20.4 km) north of Bedford, Virginia. It was closed in 1975.
Palermo Air Force Station is a closed United States Air Force (USAF) General Surveillance Radar station. It was located in Palermo, New Jersey, 4.8 miles (7.7 km) north of Sea Isle City, in Cape May County, New Jersey, United States. It was closed in 1970.
Manassas Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 7.4 miles (11.9 km) west of Dale City, Virginia. It was closed in 1965.
Caswell Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 4.3 miles (6.9 km) north of Limestone, Maine. It was closed in 1980.
The 614th Radar Squadron is an inactive United States Air Force unit. It was last assigned to the Washington Air Defense Sector, Air Defense Command, stationed at Cherry Point Marine Corps Air Station, North Carolina. It was discontinued on 1 August 1963.
Snow Mountain Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 1.9 miles (3.1 km) west-southwest of Godman Army Airfield, Kentucky. It was closed in 1968.
Custer Air Force Station is a closed United States Air Force General Surveillance Radar and Direction Center station. It is located 5.3 miles (8.5 km) west-northwest of Battle Creek, Michigan. It was closed in 1969.
Port Austin Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 1.2 miles (1.9 km) south-southwest Port Austin, Michigan. It was closed in 1988 by the Air Force.
Omaha Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 7.5 miles (12.1 km) north of Omaha, Nebraska. It was closed in 1968.
The 755th Radar Squadron is an inactive United States Air Force unit. It was last assigned to the 34th Air Division, Aerospace Defense Command, stationed at Arlington Heights Air Force Station, Illinois. It was inactivated on 30 September 1969.
The 793d Radar Squadron is an inactive United States Air Force unit. It was last assigned to the 30th Air Division, Aerospace Defense Command, stationed at Hutchinson Air Force Station, Kansas. It was inactivated on 8 September 1968.
Condon Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 5.7 miles (9.2 km) west of Condon, Oregon. It was closed in 1970.
Othello Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 7.2 miles (11.6 km) south of Othello, Washington. It was the home station of the 637th Aircraft Control and Warning Squadron and the 637th Air Defense Group, closing in 1975.
United States Air Force 
