Aircraft from the Air Force, Navy, Japan Air Self-Defense Force, and Royal Australian Air Force fly in formation Feb. 5, 2013, over the Pacific Ocean in support of Exercise Cope North 2013 at Andersen Air Force Base, Guam. During this event, the aviators trained on war-fighting integration tactics. Cope North is a multilateral aerial and humanitarian assistance and disaster relief exercise, held annually, designed to increase the combat readiness and interoperability of the U.S. military, JASDF and RAAF. (Courtesy photo)