170502-M-MI258-037 ANCHORAGE, Alaska (May 2, 2017) A U.S. Air Force F-22 Raptor flies above Joint Base Elmendorf-Richardson, Alaska, during exercise Northern Edge 2017. This exercise is Alaska’s largest and premier joint training exercise designed to practice operations, techniques and procedures as well as enhance interoperability among the services. (U.S. Marine Corps photo by Lance Cpl. Andy Martinez/Released)