U.S. Air Force Airmen board a Japan Air Self-Defense Force C-130H Hercules from the 401st Tactical Airlift Squadron, Japan, at Andersen Air Force Base, Guam, Feb 25, 2019. The Airmen took part in COPE North which was an annual multilateral U.S. Pacific Air Forces-sponsored field training exercise focused on combat air forces large-force employment and mobility air forces humanitarian assistance and disaster relief training to enhance interoperability among U.S., Australian and Japanese forces. (U.S. Air Force photo by Senior Airman Xavier Navarro)