A crew chief assigned to the 388th Fighter Wing, Hill Air Force Base, Utah, prepares an F-35A Lightning II for Red Flag 17-1 night operations on Nellis Air Force Base, Nev., Jan. 24, 2017. Red Flag was established in 1975 as one of the initiatives to better prepare our forces for combat. (U.S. Air Force photo by Airman 1st Class Kevin Tanenbaum/Released)