ELS showcases U.S., ROK capabilities to conduct ops anytime, anywhere Published March 17, 2023 By Staff Sgt. Tristan Truesdell 51st Fighter Wing Public Affairs OSAN AIR BASE, REPUBLIC OF KOREA -- U.S. and Republic of Korea Air Force combat controllers conduct emergency landing strip operations while a ROK CH-47 Chinook performs a low approach near Daegu, Republic of Korea, March 7, 2023. The ELS operation consisted of mobilizing several transport aircraft, combat transport aircraft and fighter jets on modified runways to prepare in the event of operating in austere environments. (U.S. Air Force photo by Staff Sgt. Tristan Truesdell)