U.S. Army Sgt. Brian Sunderman, a combat medic assigned

U.S. Army Sgt. Brian Sunderman, a combat medic assigned to the 807th Medical Deployment Support Command, programs coordinates on a Defense Advanced GPS Receiver during the Urban Orienteering event of the 2013 U.S. 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)