U.S. Army Sgt. 1st Class Adam McQuiston, Fort Leonard Wood, Mo., drill instructor, relaxes for a moment after completing a ruck march from the land navigation course to the confidence course, June 27, 2012, at part of the annual Drill Sergeant of the Year competition, hosted by Initial Military Training, U.S. Army Training and Doctrine Command at Fort Eustis, Va. During the week long competition drill sergeants competed in a variety of events designed to challenge them both physically and mentally. (U.S. Air Force photo by Senior Airman Wesley Farnsworth/Released)