Fort Fisher Air Force Station was a United States Air Force installation located on the Atlantic coast 0.8 miles (1.3 km) southwest of Kure Beach, North Carolina. Its primary mission was as a radar complex. It was closed on 30 June 1988 by the Air Force, and turned over to the Federal Aviation Administration (FAA).
The 689th Radar Squadron is an inactive United States Air Force unit. It was last assigned to the 25th Air Division, stationed at Mount Hebo Air Force Station, Oregon. It was inactivated on 30 June 1979.
The 46th Fighter Training Squadron is an inactive United States Air Force unit. Its last assignment was with the 917th Operations Group at Barksdale Air Force Base, Louisiana. where it was inactivated on 1 October 1993.
The 26th Tactical Missile Squadron is an inactive United States Air Force unit. It was activated in 1959 as the 26th Air Defense Missile Squadron to provide missile air defense for New England and was stationed at Otis Air Force Base, Massachusetts, where it was inactivated on 30 April 1972. It received its current name in 1985. when it was consolidated with the 26th Tactical Reconnaissance Squadron, a World War II unit that provided reconnaissance support for ground units in training until it was disbanded in 1943.
Thomasville Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 1.9 miles (3.1 km) north-northwest of Thomasville, Alabama. It was closed in 1969.
The 514th Air Defense Group is a disbanded United States Air Force (USAF) organization. Its last assignment was with the 31st Air Division at Minneapolis-St. Paul International Airport, Minnesota, where it was inactivated on 18 August 1955. The group was originally activated as a support group for the 319th Bombardment Group in Italy at the end of World War II. After the end of combat in Europe, it deployed to Okinawa, where it was inactivated.
The 678th Air Defense Group is a disbanded United States Air Force organization. Its last assignment was with the 20th Air Division of Air Defense Command (ADC) at Tyndall Air Force Base, Florida. The group was formed in 1970 when ADC expanded its radar units that operated Back-Up Interceptor Control sites from squadron sized units to groups. From 1977 until it was inactivated in 1983 the 678th was responsible for operating the Southern Air Defense System.
The 10th Aerospace Defense Group was inactivated on 31 December 1970 by the United States Air Force (USAF). Its last assignment was with Fourteenth Aerospace Force at Vandenberg Air Force Base, California. The 10th Aerospace Defense Group and Squadron were the sole operators of the United States' second nuclear-tipped anti-satellite weapon, Weapons System 437 (WS-437). For this reason the squadron continues the group history through temporary bestowal.
The 4780th Air Defense Wing is a discontinued United States Air Force organization. Its last assignment was with the Air Defense Weapons Center at Perrin Air Force Base, Texas, where it was discontinued in 1971. The wing was organized in 1962 when Air Defense Command (ADC) assumed the interceptor pilot training mission from Air Training Command (ATC).
The 4683d Air Defense Wing is a discontinued United States Air Force (USAF) organization. Its last assignment was with Aerospace Defense Command (ADC)'s Goose Air Defense Sector at Thule Air Base, Greenland, where it was discontinued in 1965.
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.
The 17th Defense Systems Evaluation Squadron is an inactive United States Air Force unit. It was last assigned to the 24th Air Division of Aerospace Defense Command at Malmstrom AFB, Montana. It was inactivated on 13 July 1979.
Baudette Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 3.1 miles (5.0 km) south-southwest of Baudette, Minnesota. It was closed in 1979.
The 776th Radar Squadron is an inactive United States Air Force unit. It was last assigned to the Northeast Air Defense Sector, Air Combat Command, stationed at Bangor Air National Guard Base, Maine, where it was inactivated on 6 September 1991.
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.
The 4750th Air Defense Wing is a discontinued United States Air Force unit. It was last assigned to the 73d Air Division, Air Defense Command, (ADC) at MacDill Air Force Base, Florida, where it was inactivated in 1960.
The 22d Air Defense Missile Squadron is an inactive United States Air Force unit. It was last assigned to the 20th Air Division of Aerospace Defense Command, stationed near Langley Air Force Base, Virginia, where it was inactivated on 31 October 1972. The squadron was activated in 1959 and equipped with BOMARC missiles for the air defense of the area near its base.
The 37th Tactical Missile Squadron is an inactive United States Air Force unit. It was last active as the 37th Air Defense Missile Squadron, assigned to the 23d Air Division, stationed near Kincheloe Air Force Base, Michigan, where it was inactivated on 31 July 1972.
The 4713th Defense Systems Evaluation Squadron is an inactive United States Air Force unit. It was last assigned to the 21st Air Division at Westover Air Force Base, Massachusetts, where it was inactivated on 15 April 1974. The squadron was first organized as the 4713th Radar Evaluation Flight at Griffiss Air Force Base, New york in March 1954 and expanded to a squadron in 1958. It began flying Martin B-57 Canberra aircraft in 1959, and continued to do so in the role of testing air defense systems until inactivating,
The 408th Armament Systems Group is an inactive United States Air Force (USAF) unit. Its last assignment was with Air Force Materiel Command's 308th Armament Systems Wing at Eglin Air Force Base, Florida. It was inactivated in 2010.
United States 
United States Air Force 
