Tiffany White, left, 633rd Force Support Squadron fitness assessment cell examiner, and U.S. Air Force Staff Sgt. Keith Miller 633rd FSS fitness specialist, flip a tire weighing more than 250 pounds during the Squadron Fitness Challenge at the Langley Air Force Base, Va., May 24, 2012. During the event teams competed in several physical challenges for the best time in each event. (U.S. Air Force photo by Senior Airman Wesley Farnsworth/Released)