Royal Australian Air Force aircrew assigned to No. 1 Squadron, RAAF Amberley, Australia, perform maintenance checks on an F/A-18 Super Hornet during Red Flag 16-1 at Nellis Air Force Base, Nev., Feb. 2, 2016. Flying units from around the world the globe deploy to Nellis Air Force Base to participate in Red Flag, the exercise is held four times a year and organized by the 414th Combat Training Squadron. (U.S. Air Force photo by Airman 1st Class Nathan Byrnes)