Airmen behind the scenes keep complex activities running smoothly
Staff Sgt. Daniel Miller and Senior Airman Christopher Coffman, 90th Security Forces Squadron central security controllers, coordinate security activities in secure sites on F.E. Warren Air Force Base, Wyo., in their work center located in the basement of Building 232 Feb. 14, 2013. (U.S. Air Force photo by Airman 1st Class Jason Wiese)