Osan F-16s enhance interoperability in Thirsty Fiend Published Feb. 27, 2024 By Staff Sgt. Kelsea Caballero 51st Fighter Wing Public Affairs OSAN AIR BASE, Republic of Korea -- Pilots from the 36th and 25th Fighter Squadrons, along with the 4th Expeditionary Fighter Squadron from Hill Air Force Base, Utah, participate in Thirsty Fiend, a routine training event, at Osan Air Base, Republic of Korea, Feb. 22, 2024. Routine flying integration events boost development of strategic interoperability measures to ensure mission readiness in the event of real-world contingencies. (U.S. Air Force photo by Staff Sgt. Kelsea Caballero)