The Eleventh Air Force (11 AF) is a Numbered Air Force of the United States Air Force Pacific Air Forces (PACAF). It is headquartered at Joint Base Elmendorf–Richardson, Alaska.
The 343d Wing is an inactive United States Air Force unit. Its last assignment was with Pacific Air Forces at Eielson Air Force Base, Alaska, where it was inactivated on 20 August 1993. The unit was formed at Eielson as the 343d Composite Wing and activated in October 1981 to replace the 5010th Combat Support Group. It operated both fighter and forward air control aircraft. In 1991, it also became the administrator for periodic Exercise Cope Thunder operations, which moved to Alaska from the Philippines after the eruption of Mount Pinatubo resulted in the evacuation of units from Clark Air Base When the wing was inactivated, it was replaced at Eielson by the 354th Fighter Wing.
The 168th Air Refueling Squadron is a unit of the Alaska Air National Guard's 168th Air Refueling Wing stationed at Eielson Air Force Base, Fairbanks, Alaska. The 168th has been equipped with various models of the Boeing KC-135 Stratotanker since activating in 1986.
The 54th Fighter Squadron is an inactive United States Air Force unit. Its last assignment was to the 3d Operations Group, being stationed at Elmendorf Air Force Base, Alaska. It was inactivated on 28 April 2000.
The 48th Flying Training Squadron is part of the 14th Flying Training Wing based at Columbus Air Force Base, Mississippi. It operates T-1 Jayhawk aircraft conducting flight training. The squadron is one of the oldest in the Air Force, being formed during World War I as the 48th Aero Squadron on 4 August 1917.
The 449th Fighter Interceptor Squadron is an inactive United States Air Force unit. Its last assignment was with 11th Air Division stationed at Ladd Air Force Base, Alaska, where it was inactivated on 25 August 1960.
The 317th Fighter Interceptor Squadron is an inactive United States Air Force unit, last assigned to Aerospace Defense Command, at Elmendorf Air Force Base, Alaska, where it was inactivated on 31 December 1969.
The 31st Combat Training Squadron is an active United States Air Force unit. It is currently assigned to the Nevada Test and Training Range at Nellis Air Force Base, Nevada.
The 57th Fighter-Interceptor Squadron, also known as "The Black Knights of Keflavik", was a previously inactive United States Air Force unit that was reactivated on 2 July 2024. The 57 FIS was previously stationed at Naval Air Station Keflavik, Iceland and was inactivated on 1 March 1995. The squadron was reactivated as the 57th Fighter Squadron at Ebbing Air National Guard Base, Arkansas, on 2 July 2024 as an F-35A Lightning II training unit focused on NATO and Allied pilots. Although located on an Arkansas Air National Guard installation at a joint civil-military airport, the 57 FS is an active duty USAF command that functions as a geographically separated unit (GSU) of the Air Education and Training Command's (AETC) 33rd Fighter Wing at Eglin AFB, Florida.
The 42d Flying Training Squadron is an inactive United States Air Force unit, last assigned to Air Training Command at Columbus AFB, Mississippi, where it was inactivated on 15 December 1991.
The V Fighter Command is a disbanded United States Air Force headquarters. It was established as the 2nd Interceptor Command in June 1941, with responsibility for air defense of the northwest United States and training fighter units in its area of responsibility. Shortly after the attack on Pearl Harbor, the Army formed Western Defense Command, with responsibility for the entire Pacific coast. All air defense functions were transferred to 4th Interceptor Command, and the command was slated for transfer to the Southwest Pacific Theater as 5th Fighter Command.
The XXVI Fighter Command was a formation of the United States Army Air Forces. It was assigned to Sixth Air Force throughout its existence. It was based at Albrook Field, Panama Canal Zone, where it was inactivated on 25 August 1946. It engaged in antisubmarine operations from the Canal Zone.
The Trinidad Wing, Antilles Air Command is an inactive United States Air Force unit. Its last assignment was with Antilles Air Command at Waller Field, Trinidad. It was disbanded on 15 March 1944.
The 321st Fighter-Interceptor Squadron is an inactive United States Air Force unit. Its last assignment was with the 316th Air Division, stationed at Paine Air Force Base, Washington. It was inactivated on 8 March 1960.
The 54th Fighter Group is an active unit of the United States Air Force stationed at Holloman Air Force Base, New Mexico and assigned to the 49th Wing of Air Education and Training Command. The group was reactivated in March 2014.
The 14th Fighter-Interceptor Squadron is an inactive United States Air Force unit. Its last assignment was with the 53d Fighter Group at Sioux City Municipal Airport, Iowa, where it was inactivated on 1 April 1960.
The 11th Fighter-Interceptor Squadron is an inactive United States Air Force unit. Its last assignment was with the 343d Fighter Group at Duluth Airport, Minnesota, where it was inactivated on 30 June 1968.
The 57th Operations Group is the operational component of the 57th Wing, assigned to the United States Air Force's Air Combat Command. The group is stationed at Nellis Air Force Base, Nevada.
The XI Bomber Command was a formation of the United States Army Air Forces. It was assigned to Eleventh Air Force, and its last station was Shemya Army Air Base, Alaska, where it was inactivated on 31 March 1944.
The United States Air Force's 66th Weapons Squadron is a United States Air Force Weapons School Fairchild Republic A-10 Thunderbolt II instructional flying unit, at Nellis Air Force Base, Nevada.
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United States Air Force 
