MWD, handler certify in detection
U.S. Air Force Col. Thomas D. Torkelson, left, 100th Air Refueling Wing commander, is greeted by U.S. Air Force Staff Sgt. Joseph Serrano, 100th Security Force Squadron Military Working Dog kennel master and trainer, Sept. 8, 2015, on RAF Mildenhall, England. Torkelson walked around with the team as they were conducting a sweep for aids during an initial detection certification. (U.S. Air Force photo by Senior Airman Christine Halan/Released)