U.S. Army Sgt. 1st Class Sean McClenachan, right, an intelligence analyst assigned to the Military Intelligence Readiness Command, reads instructions for programming coordinates on a Defense Advanced GPS Receiver during the Urban Orienteering event at the 2013 Army Reserve Best Warrior Competition at Fort McCoy, Wis., June 25, 2013. The Warriors had 3 and one-half hours to find four points scattered across post. (U.S. Army photo by Timothy Hale/Released)