Northern Edge
A KC-135R Stratotanker prepares to refuel an F-15 Eagle assigned to the 53rd Wing from Eglin Air Force Base, Fla., during exercise Northern Edge, May 16, 2019, over Alaska. With participants and assets from the U.S Air Force, Marine Corps and Navy, Northern Edge is Alaska’s premier joint-training exercise designed to practice operations and enhanced interoperability among the services. (U.S. Air Force photo by Staff Sgt. Micaiah Anthony)