Viper Patrol first layer of defense downrange
Tech. Sgt. Andrew McClendon and Senior Airman Katelene Hiser, 386th Expeditionary Security Forces Squadron Viper Patrol defenders, patrol an area Dec. 6, 2017, at an undisclosed location in Southwest Asia. They are the first layer of integrated defense in the five-kilometer security zone outside the wire. (U.S. Air Force photo by Tech. Sgt. Louis Vega Jr.)