U.S. Air Force 18th Civil Engineer Squadron and Japan Air Self-Defense Force Southwestern Civil Engineering Group service members conduct a rapid airfield damage repair exercise Aug. 30, 2019, at Naha Air Base, Japan. The bilateral exercise program occurs twice a year and enhances the two partners to better integrate forces in response to airfield damage which may result from adversarial attacks. (U.S. Air Force photo by Staff Sgt. Peter Reft)