A B-1B Lancer assigned to the 34th Bomb Squadron, Ellsworth Air Force Base, S.D., rests on the flightline as maintainers perform preflight checks during night operations of Red Flag 17-1 on Nellis Air Force Base, Jan. 25, 2017. Flying units from around the globe deploy to Nellis AFB to participate in Red Flag. (U.S. Air Force photo by Airman 1st Class Kevin Tanenbaum/Released)