A U.S. Air Force HH-60G Pave Hawk helicopter from the 33rd Rescue Squadron flies off the coast of Okinawa, Japan, during a large force exercise June 30, 2015. The exercise, which integrated U.S. Air Force and Marine Corps assets on Okinawa, was designed to allow the units to practice air-to-air capabilities while supporting ground troops. (U.S. Air Force photo by Staff Sgt. Maeson L. Elleman/Released)