200225-M-AW087-1084 ANDERSEN AIR FORCE BASE (Feb. 25, 2020) U.S. Marine Corps Cpl. Paul Abulu, an electrical systems technician with Marine All Weather Fighter Attack Squadron 242, performs pre-flight checks in support of exercise Cope North (CN) 20 at Andersen Air Force Base, Guam, Feb. 25, 2020. Exercise CN is an annual U.S. Pacific Air Forces tri-lateral field training exercise with participants from the U.S. Air Force, U.S. Navy, U.S. Marine Corps, Japan Air Self-Defense Force and the Royal Australian Air Force. The primary intent of CN is to enhance coordination of combined air tactics, hone techniques and procedures while strengthening security and stability in the Indo-Pacific region. (U.S. Marine Corps photo by Lance Cpl. Lennon Dregoiw/Released)