A Republic of Korea air force F-15K Slam Eagle from the 11th Fighter Wing, Daegu, prepares for takeoff as part of Buddy Wing 15-7 at Kunsan Air Base, Republic of Korea, Nov. 17, 2015. Buddy Wing is part of a combined fighter exchange program designed to improve interoperability between U.S. Air Force and ROKAF fighter squadrons and are conducted multiple times throughout the year in order to promote cultural awareness and sharpen combined combat capabilities. (U.S. Air Force photo by Staff Sgt. Nick Wilson/Released)