The 51st Fighter Wing (51 FW) is a wing of the United States Air Force and the host unit at Osan Air Base, South Korea. The wing has been based entirely in the Far East during its entire existence, including its combat role as the 51st Fighter-Interceptor Wing during the Korean War. The wing is equipped with General Dynamics F-16 Fighting Falcon and Fairchild Republic A-10 Thunderbolt II squadrons and myriad base support agencies conducting the full spectrum of missions providing for the defense of the Republic of Korea.