U.S. Army Spc. Timothy Butler, 688th Rapid Port Opening Element movement specialist, finds his course using a compass during the land navigation portion of the 597th Transportation Brigade’s annual Best Warrior Competition March 27, 2013 at Fort Eustis, Va. The even tested the ability of Soldiers use of a Defense Advanced GPS Receiver and compass, skills that can be used on and off the battlefield. (U.S. Air Force photo by Tech. Sgt. April Wickes/ RELEASED)