U.S. Air Force Senior Airman Antawn Kimes, 86th Aircraft Maintenance Squadron guidance and control systems journeyman, performs a write up for an electronic circuit break unit swap out in Plovdiv, Bulgaria, July 17, 2018. Members of the 86th AMXS were integral to the success of Thracian Summer 18 by ensuring the aircraft were ready for flight. (U.S. Air Force photo by Staff Sgt. Jimmie D. Pike)