The Boeing B-50 Superfortress is an American strategic bomber. A post–World War II revision of the Boeing B-29 Superfortress, it was fitted with more powerful Pratt & Whitney R-4360 radial engines, stronger structure, a taller tail fin, and other improvements. It was the last piston-engined bomber built by Boeing for the United States Air Force, and was further refined into Boeing's final such design, the prototype B-54. Although not as well known as its direct predecessor, the B-50 was in USAF service for nearly 20 years.
The Boeing KB-29 was a modified Boeing B-29 Superfortress for air refueling needs by the USAF. Two primary versions were developed and produced: KB-29M and KB-29P.
The 93d Air Ground Operations Wing is a United States Air Force unit assigned to Air Combat Command, Ninth Air Force. It is stationed as a tenant unit at Moody Air Force Base, Georgia.
The United States Air Force's 4505th Air Refueling Wing (Tactical) was an Air Refueling unit located at Langley AFB, Virginia. It was established on 1 Jul 1958 at Langley AFB, Virginia. The 4505th was the only aerial refueling wing in the Tactical Air Command structure. The wing flew the KB-50J, a derivative of the B-50 nuclear bomber. The 4505th Air Refueling Wing (Tactical) was discontinued on 8 Oct 1963.
The 301st Air Refueling Wing is an inactive unit of the United States Air Force being last assigned to the Strategic Air Command at Malmstrom Air Force Base, Montana, where it was inactivated on 1 June 1992.
The 420th Flight Test Squadron is an active United States Air Force squadron.
The 2nd Air Refueling Squadron, sometimes written as 2d Air Refueling Squadron, is a unit of the United States Air Force. It is part of the 305th Air Mobility Wing at McGuire Air Force Base, part of Joint Base McGuire-Dix-Lakehurst, New Jersey. The 2nd Air Refueling Squadron is the second-oldest squadron in the Air Force, having over 100 years of service to the nation. It was deployed to the Philippines after World War I, during the 1941-1942 Battle of the Philippines, it was wiped out, with the Japanese forcing some of the personnel to endure the Bataan Death March. It was re-formed as an air refueling squadron by Strategic Air Command in 1949. Today, it operates the KC-46 Pegasus aircraft, conducting aerial refueling missions.
The 6th Air Refueling Squadron is part of the 60th Air Mobility Wing at Travis Air Force Base, California. It operates the McDonnell Douglas KC-10 Extender aircraft conducting mobility, and air refueling missions.
The 810th Strategic Aerospace Division is an inactive United States Air Force organization. Its last assignment was with Strategic Air Command (SAC), assigned to Fifteenth Air Force at Minot Air Force Base, North Dakota, where it was inactivated on 30 June 1971.
The 93rd Air Refueling Squadron is an active United States Air Force unit, stationed at Fairchild Air Force Base, Washington, where it is assigned to the 92nd Operations Group and operates the Boeing KC-135 Stratotanker aircraft conducting air refueling missions.
The 836th Air Division is an inactive United States Air Force organization. Its last assignment was with Tactical Air Command (TAC) at Davis-Monthan Air Force Base, Arizona, where it was inactivated on 1 May 1992. The division had been activated at Davis-Monthan in January 1981 to replace Tactical Training, Davis-Monthan. Its primary mission was training for Fairchild A-10 Thunderbolt II and BGM-109G Gryphon crews. The 602d Tactical Control Wing moved to Davis-Monthan, and the division's training mission expanded to include Forward Air Controllers flying several aircraft. The BGM-109 mission ended with the signing of the Intermediate-Range Nuclear Forces Treaty. In 1989, division elements participated in Operation Just Cause. The division was inactivated with the implementation of the Objective Wing reorganization, which established a single wing on each Air Force Base.
The 97th Air Refueling Squadron is an active unit of the United States Air Force, stationed at Fairchild Air Force Base, Washington. It was most recently activated on 1 October 2019 and assigned to the 92nd Operations Group, 92nd Air Refueling Wing.
The 43d Air Refueling Squadron is an inactive United States Air Force unit. It was last assigned to the 92nd Bombardment Wing, stationed at Fairchild AFB, Washington. It was inactivated in 1995.
The 303rd Air Refueling Squadron is an inactive United States Air Force unit. It was last assigned to the 499th Air Refueling Wing at Kindley AFB, Bermuda, where it was inactivated on 15 June 1963.
The 421st Air Refueling Squadron is an inactive United States Air Force unit. It was last assigned to the 41st Air Division at Yokota Air Base, Japan, where it was inactivated on 18 February 1965.
The 429th Air Refueling Squadron is an inactive United States Air Force unit. It was last assigned to the 4505th Air Refueling Wing at Langley Air Force Base, Virginia, where it was inactivated on 8 October 1963.
The 431st Air Refueling Squadron is an inactive United States Air Force unit. It was last assigned to the 4440th Aircraft Delivery Group at Biggs Air Force Base, Texas, where it was inactivated on 8 March 1965. From 1957 to 1965, it operated modified Superfortress bombers to refuel tactical Fighter, reconnaissance, and light bomber aircraft.
The 622d Expeditionary Air Refueling Squadron is a provisional United States Air Force unit, assigned to United States Air Forces Europe to activate or inactivate as needed. The squadron was first established during World War II as the 22d Photographic Reconnaissance Squadron. It served in the European Theater of Operations, where it earned a Distinguished Unit Citation and a French Croix de Guerre with Palm for its actions in combat.
The 4440th Aircraft Delivery Group is an inactive United States Air Force unit. Its last assignment was to Headquarters, Tactical Air Command, based at Langley Air Force Base, Virginia. It was inactivated on 15 October 1969.
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United States Air Force 
