Tech. Sgt. James Tullis, 341st Security Forces Squadron kennel master, collects a skin sample Aug. 26, 2020, at Malmstrom Air Force Base, Mont. In addition to training, handlers are also responsible for the medical well-being of their K-9 and learn basic veterinarian skills during their technical schooling. MWDs have become a vital asset to security and protection due to their heightened senses and faster ground speed. (U.S. Air Force photo by Senior Airman Jacob M. Thompson)