Military Working Dog Ruth gets praised after solving a detection problem in which she found a specific odor during training at Bagram Airfield, Afghanistan, April 29, 2013. Over the past four months the 455th Expeditionary Security Forces Group MWD team has completed more than 200 missions “outside the wire” securing villages and roads leading to the airfield. (U.S. Air Force photo/Senior Airman Chris Willis/Released)