First Lieutenants Mike McCarthy and Al Chang from the 25th Fighter Squadron discuss their flight plans as they prepare for an upcoming mission with Capt. Pak, Chan Mu and Maj. Chong, Hyaon Dong from Republic of Korea Air Forces 15th Composite Wing. The 51st Fighter Wing, Osan Air Base, Republic of Korea, hosted a combined exchange exercise called the Buddy Wing Program with the participation from 25 FS here and ROKAF 15 CW from Seoul Air Base. Aircrew members trained together in this program allowing both units to introduce tactics and improve interoperability between the U.S. Air Force and the Republic of Korea. (U.S. Air Force photo/Senior Airman Stephenie Wade)