Liberty Airmen participate in Red Flag 15-1
Three maintainers from the 748th Aircraft Maintenance Squadron, Royal Air Force Lakenheath, England, work near an F-15C Eagle at dusk during Red Flag 15-1 at Nellis Air Force Base, Nev., Feb. 2, 2015. Maintainers are responsible for overseeing the day-to-day maintenance of aircraft, including diagnosing malfunctions and replacing components, and conducting various inspections to ensure the aircraft is functioning properly. (U.S. Air Force photo by Tech. Sgt. Eric Burks/Released)