Royal Australian Air Force KC-30A Multi Role Tanker Transport crews prep the jet on Anderson Air Force Base, Guam, before flying a refuel mission in support of Cope North 13, Feb. 13, 2013. The KC-30 is a heavily modified Airbus A330 airliner used for air-to-air refueling and strategic transport. Cope North is an annual air combat tactics, humanitarian assistance and disaster relief exercise designed to increase the readiness and interoperability of the U.S. Air Force, Japan Air Self-Defense Force and Royal Australian Air Force. (U.S. Air Force photo by Senior Airman Matthew Bruch/Released)