The 25th Fighter Squadron is part of the US Air Force's 51st Operations Group, 51st Fighter Wing, at Osan Air Base, South Korea. It operates the Fairchild Republic A-10 Thunderbolt II aircraft conducting close air support missions.
The 36th Fighter Squadron is part of the US Air Force's 51st Operations Group at Osan Air Base, South Korea. It operates the General Dynamics F-16 Fighting Falcon aircraft conducting air superiority missions. The squadron was first activated in 1917 as the 36th Aero Squadron and served in France during World War I, although the war ended before the unit saw combat. It has been continuously active since 1930 as a fighter squadron.
The 2nd Battalion (Assault) is part of the 2nd Aviation Regiment is located in South Korea flying out of Camp Humphreys. The 2nd Battalion flies the Bell UH-1H Huey which main role is air assault, transport and support of ground forces.