Japan Air Self-Defense Force Sgt. Candidate Shoji Shigeyama, wireline maintenance technician, performs a fiber-optic cable termination exercise at Kadena Air Base, Japan, June 19, 2019. Joint training between the U.S. and Japanese forces provides opportunities to trade best practices and learn new concepts to sharpen lethality, improve interoperability, and strengthen alliances and partnerships. (U.S. Air Force photo by Staff Sgt. Benjamin Raughton)