The Fourth Air Force is a numbered air force of the Air Force Reserve Command (AFRC). It is headquartered at March Air Reserve Base, California.
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 49th Fighter Training Squadron is part of the 14th Flying Training Wing based at Columbus Air Force Base, Mississippi. It operates T-38 Talon aircraft conducting flight training.
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 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 10th Flight Test Squadron is part of the 413th Flight Test Group of Air Force Materiel Command based at Tinker Air Force Base, Oklahoma. It performs acceptance testing on refurbished Rockwell B-1 Lancer, Boeing B-52 Stratofortress, Boeing E-3 Sentry, and Boeing KC-135 Stratotanker aircraft before they are returned to their units.
The 52nd Fighter Squadron is an active reserve unit of the United States Air Force, assigned to the 944th Operations Group, 944th Fighter Wing. Stationed at Luke Air Force Base, Arizona, the squadron was most recently activated on 6 August 2021. Previously, it was with the Western Air Defense Force, based at Hamilton Air Force Base, California until its inactivation on 8 June 1951.
The 348th Tactical Electronics Group is an inactive United States Air Force unit. The unit was active as the 9th Pursuit Wing and the 9th Fighter Wing during World War II. Although based at RAF Station Kabrit in Egypt assigned to the Ninth Air Force it had no component units and was inactivated on 31 March 1943.
I Fighter Command was a United States Army Air Forces intermediate command responsible for command and control of the fighter operations within the First Air Force during World War II. It was initially established in June 1941 as the 1st Interceptor Command to provide air defense of the Northeastern United States. Following the attack on Pearl Harbor, the command's area of responsibility extended over the entire Atlantic coast and into Canada and Iceland. As the perceived threat of attack decreased, the command's responsibnility for training units and aircrews became its primary mission. The command continued its mission until March 1946, when it was inactivated.
The I Tactical Air Division is an inactive United States Air Force unit. It was last assigned to Second Air Force, based at Biggs Field, Texas. It was inactivated on 22 December 1945.
The 56th Training Squadron is an active United States Air Force unit. It is assigned to the 56th Operations Group at Luke Air Force Base, Arizona.
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 Second Bombardment Wing, abbreviated as 2nd Bombardment Wing of the United States Army Air Forces is a disbanded unit whose last assignment was with the Continental Air Forces, based at McChord Field, Washington. It was last active in November 1945.
The 35th Operations Group is the operational flying component of the United States Air Force 35th Fighter Wing. It is stationed at Misawa Air Base, Japan, and is a part of Pacific Air Forces (PACAF).
The 87th Troop Carrier Group is an inactive United States Air Force unit. It was last assigned to the 87th Troop Carrier Wing at Atterbury Air Force Base, Indiana where it was inactivated on 1 February 1953.
The 26th Weapons Squadron is a United States Air Force unit, assigned to the USAF Weapons School at Nellis Air Force Base, Nevada
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.
The 37th Operations Group is an inactive unit of the United States Air Force. It was last active at Tonopah Test Range Airport, Nevada, where it operated F-117 Nighthawk fighters. Its history and honors have been temporarily bestowed upon the 37th Training Wing.
The 32d Air Expeditionary Group is a provisional unit of the United States Air Force (USAF). It is assigned to United States Air Forces in Europe (USAFE) to activate or inactivate at any time. It was last active as the 32d Air And Space Operations Center in December 2006 at Ramstein Air Base, Germany.
The 11th Fighter Wing is a disbanded United States Army Air Forces organization. Its last assignment was with Eighth Air Force at Drew Field, Florida. It was constituted in late 1940 and disbanded in late 1943.
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