JOINT BASE ELMENDORF-RICHARDSON, Alaska -- Members of the 176th Civil Engineer Squadron practice operating a skid steer here Aug. 16, 2015, during the Polar Guard 15-1 exercise. Skills like this are a part of both their wartime mission and the state mission of urban search and rescue. (U.S. Air National Guard photo by Tech. Sgt N. Alicia Halla/ Released)