Troop Trek U.S. airmen board a Japan Air Self-Defense Force C-130H Hercules in preparation to resume the humanitarian assistance and disaster relief portion of exercise Cope North at Andersen Air Force Base, Guam, Feb. 25, 2019. The exercise focused on large-force employment and humanitarian assistance and disaster relief training to enhance interoperability among U.S., Australian and Japanese forces. SHARE: Download: Full Size (1.62 MB) Tags: Air Force Credit: Air Force Senior Airman Xavier Navarro VIRIN: 190225-D-LG053-0638C.JPG Photo Gallery