A U-2 Dragon Lady from Beale Air Force Base, Calif., departs the runway at Joint Base Elmendorf-Richardson, Alaska, May 3, 2017 during Exercise Northern Edge. Northern Edge is Alaska’s largest and 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, Airmen, Soldiers, Sailors, Marines and Coast Guard personnel from active duty, Reserve and National Guard units—are involved. (U.S. Air Force photo/Master Sgt. John Gordinier)