66th Security Forces Squadron Military Working Dog Handlers and their K9s, from left, Staff Sgt. Matthew Ramon and Aslan, Senior Airman Christopher Allen and Qquail, and Senior Airman Kolburn George and Renato, participate in physical fitness training at Hanscom Air Force Base, Mass., April 9. The Airmen conduct this type of endurance training with their MWDs three times a week to ensure they remain mission ready. (U.S. Air Force photo by Jerry Saslav)