Marine Corps Air Station Yuma or MCAS Yuma is a United States Marine Corps air station in Arizona. It is the home of multiple squadrons of F-35B Lightning IIs of the 3rd Marine Aircraft Wing, Marine Aviation Weapons and Tactics Squadron 1 (MAWTS-1), Marine Operational Test and Evaluation Squadron 1 (VMX-1) and Marine Fighter Training Squadron 401 (VMFT-401), an air combat adversary squadron of the 4th Marine Aircraft Wing of the Marine Corps Reserve. It is a designated Superfund site due to a number of soil and groundwater contaminants, including asbestos.
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 28th Air Division is an inactive United States Air Force organization. Its last assignment was with Air Defense Tactical Air Command at Tinker Air Force Base, Oklahoma. It was inactivated on 29 May 1992.
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 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 December 31, 1994.
Tonopah Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 1.1 miles (1.8 km) south of Tonopah, Nevada. It was closed in 1970.
The Phoenix Air Defense Sector (PhADS) is an inactive United States Air Force organization. Its last assignment was with the Air Defense Command 28th Air Division, being stationed at Luke Air Force Base, Arizona. 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).
North Charleston Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located in the City of North Charleston, South Carolina. It was closed in 1980.
Walnut Ridge Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 4.7 miles (7.6 km) north-northeast of Walnut Ridge, Arkansas. It was closed in 1963.
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.
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.
Ajo Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 6.4 miles (10.3 km) northwest of Ajo, Arizona. It was closed in 1969 by the Air Force, and the radar site turned over to the Federal Aviation Administration (FAA).
Mount Lemmon Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 17.2 miles (27.7 km) north-northeast of Tucson, Arizona. It was closed in 1969.
Winslow Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located in Coconino County, Arizona, 8.7 miles (14.0 km) west-northwest of Winslow, Arizona. It was closed in 1963.
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.
The 634th Radar Squadron is an inactive United States Air Force unit. It was last assigned to the 20th Air Division, Aerospace Defense Command, stationed at Lake Charles Air Force Station, Louisiana. It was inactivated on 1 July 1974.
Mica Peak Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located atop Mica Peak, 6.3 miles (10.1 km) east-northeast of Mica, Washington. It was closed in 1975 by the Air Force, and turned over to the Federal Aviation Administration (FAA).
Houma Air Force Station is a closed United States Air Force General Surveillance Radar station. It is located 3.5 miles (5.6 km) southeast Houma, Louisiana. It was closed in 1970.
United States Air Force 
