Silent Sentinels: Patrolling the streets of Warren
Staff Sgt. Richard Garcia, 90th Security Forces Squadron dog handler, walks back with his K-9 after doing a security check in a building at F.E. Warren Air Force Base, Wyo., July 14, 2017. Defenders from the 90th SFS are alerted by the Base Defense Operations Center when any alarms go off on base. (U.S. Air Force photo by Airman 1st Class Breanna Carter)

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Photo by: Airman 1st Class Breana Carter |  VIRIN: 170714-F-EP384-1009.JPG