U.S. Air Force Senior Airman Brandon O’Toole, military working dog handler assigned to the 379th Expeditionary Security Forces Squadron, and his military working dog Oopey, wait for their turn to participate in a K-9 demonstration exercise at Al Udeid Air Base, Qatar, Aug. 17, 2017. The exercise was held for members of the 379th Expeditionary Medical Group to demonstrate controlled aggression tactics used by the K-9 team when detaining suspects. (U.S. Air National Guard photo by Tech. Sgt. Bradly A. Schneider/Released)