EOR Airmen prepare F-15 for flight
U.S. Air Force Senior Airman Caleb Ross, a 4th Fighter Wing crew chief, signals to an F-15E Strike Eagle pilot assigned to the 4th Fighter Wing, Seymour Johnson Air Force Base, N.C., June 23, 2015, during Exercise Northern Edge, at Eielson Air Force Base, Alaska. 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, including active duty, reserve and National Guard units are involved. (U.S. Air Force photo by 1st Lt. Elias Zani/Released)