U.S. and Canadian Air Forces work together to respond to insider threats
Tech. Sgt. Taylor Rogal (left), 386th Expeditionary Security Forces Squadron Check Six, practices combatives with a Canadian service member Feb. 22, 2015. The Check Six team taught the 10-hour self-defense class to 17 Canadian Armed Forces members. (U.S. Air Force photo by Tech. Sgt. Jared Marquis/released)