Koku Jieitai (Japan Air Self-Defense Force) Maj. Gen. Koji Imaki, Director of Defense Pans & Operations, gives a country update briefing during the Pacific F-35 Users Group Conference at Headquarters Pacific Air Forces, Joint Base Pearl Harbor-Hickam, Hawaii, March 13, 2019. As the presence of the F-35 increases in the Indo-Pacific, future multilateral exercises will enhance fifth-generation aircraft interoperability and integration, as well as agile command and control across the full spectrum of combined warfighter operations. (U.S. Air Force photo by Staff Sgt. Hailey Haux)