90 @ Nite: Security Forces
Airman 1st Class Bradley Hill, 90th Security Forces Squadron, checks the ID card of drivers at the front gate of F.E. Warren Air Force Base, Wyo., in the early-morning hours of April 8, 2015. Airmen work as entry controllers for 12-hour shifts starting the evening before at 6 p.m. (U.S. Air Force photo by R.J. Oriez)

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Photo by: R.J. Oriez |  VIRIN: 150408-F-JW079-063.JPG