Northern Edge 2015 kicks off
A U.S. Air Force F-15C Eagle from the 85th Test and Evaluation Squadron, Eglin Air Force Base, Florida takes off during Exercise Northern Edge from Joint Base Elmendorf-Richardson, June 16, 2015. Northern Edge 2015 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 the services; from active duty, Reserve and National Guard units are involved. (U.S. Air Force photo/Staff Sgt. William Banton)