The 26th Air Division is an inactive United States Air Force organization. Its last assignment was with Air Defense Tactical Air Command, assigned to First Air Force, being stationed at March Air Force Base, California. It was inactivated on 30 September 1990.
The Western Air Defense Force (WADF) is an inactive United States Air Force organization. Its last assignment was with Air Defense Command being stationed at Hamilton Air Force Base, California. It was inactivated on July 1, 1960.
The Southwest Air Defense Sector (SWADS) is an inactive United States Air Force organization. Its last assignment was with the First Air Force, being stationed at March Air Force Base, California. It was inactivated on 31 December 1994.
The Sioux City Air Defense Sector (SCADS) is an inactive United States Air Force organization. Its last assignment was with the Air Defense Command 29th Air Division, being stationed at Sioux City Air Force Station, Iowa.
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 645th Radar Squadron is an inactive United States Air Force unit. It was last assigned to the 20th Air Division, Aerospace Defense Command, stationed at Patrick Air Force Base, Florida. It was inactivated on 1 April 1976.
The 679th Radar Squadron is an inactive United States Air Force unit. It was last assigned to the 20th Air Division, Aerospace Defense Command, stationed at Naval Air Station Jacksonville, Florida. It was inactivated on 1 February 1974.
Finland Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 2.8 miles (4.5 km) north of Finland, Minnesota. It was closed in 1980.
Grand Rapids Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 0.7 miles (1.1 km) east-northeast of Grand Rapids, Minnesota. It was closed in 1963.
Wadena Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 0.2 miles (0.32 km) north-northeast of Wadena, Minnesota. It was closed in 1970.
Chandler Air Force Station is a closed United States Air Force General Surveillance Radar station. It is 2.2 miles (3.5 km) south of Chandler, Minnesota, on the Buffalo Ridge in section 13 of Moulton Township, Murray County. It was closed in 1969.
Gettysburg Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 2.6 miles (4.2 km) north of Gettysburg, South Dakota. It was closed in 1968.
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.
The 637th Radar Squadron is an inactive United States Air Force unit. It was last assigned to the 25th Air Division, Aerospace Defense Command, stationed at Othello Air Force Station, Washington.
The 914th Aircraft Control and Warning Squadron is an inactive United States Air Force unit. It was last assigned to the Duluth Air Defense Sector, Air Defense Command, stationed at Armstrong Air Station, Ontario, Canada. It was inactivated on 1 November 1962.
Canadian Forces Station Sioux Lookout is a closed General Surveillance Radar station. It is located 3.7 miles (6.0 km) west of Sioux Lookout, Ontario. It was closed in 1987.
The 916th Aircraft Control and Warning Squadron is an inactive United States Air Force unit. It was last assigned to the Grand Forks Air Defense Sector, Air Defense Command, stationed at Beausejour Air Station, Manitoba, Canada. It was inactivated on 1 April 1963.
The 820th Radar Squadron is an inactive United States Air Force unit. It was last assigned to the Boston Air Defense Sector, stationed at Fort Heath, Massachusetts. It was inactivated on 1 December 1962.
