25th Fighter Squadron Operations at Osan Air Base Published Jan. 9, 2023 By Senior Airman Trevor Gordnier 51st Fighter Wing Public Affairs OSAN AIR BASE, Republic of Korea -- An A-10 Thunderbolt II assigned to the 25th Fighter Squadron taxies on the runway following a training mission at Osan Air Base, Republic of Korea, Jan. 4, 2023. The A-10 Thunderbolt or “Warthog” made its first flight in 1972 filling the role of a close air support aircraft. (U.S. Air Force Photo by Senior Airman Trevor Gordnier)