U.S. Air Force Col. David Avila, 100th Mission Support Group commander, thanks participants for their efforts following a “Defender Challenge” hosted May 21, 2015, on RAF Mildenhall, England. The winner of the event was “Team Tomi,” consisting of Military Working Dog handlers. Second place was “Sons of Norris,” and third was “Skunk Apes.” (U.S. Air Force photo by Gina Randall/Released)