U.S. Air Force Tech. Sgt. Rowdy Spears, 736th Security Forces Squadron noncommissioned officer in charge of standards and evaluations, approaches a training scenario during Pacific Defender 20-1 at the Pacific Regional Training Center near Andersen Air Force Base, Guam, Feb. 10, 2020. During Pacific Defender 20-1, participants from the U.S. Air Force, U.S. Marine Corps, Koku Jieitai (Japan Air Self-Defense Force), and Royal Australian Air Force gained experience working together in a contingency environment through various demonstrations and hands-on field applications. (U.S. Air Force photo by Staff Sgt. Zade Vadnais)