An F-22 Raptor from the 525 Fighter Squadron, returns from a mission during exercise Northern Edge 2015 at Joint Base Elmendorf-Richardson, Alaska, June 18, 2015. Northern Edge is Alaska’s premier joint training exercise designed to practice operations, techniques and procedures, as well as enhance interoperability among the services. Thousands of participants from all services and components were involved. (U.S. Air Force photo/Staff Sgt. William Banton)