U.S. Soldiers conduct refresher training on the Defense Advanced GPS Receiver (DAGR) prior to the Land Navigation event during the Best Warrior Competition (BWC) at Camp Bullis, Texas, March 10, 2016. The BWC is an annual competition to identify the strongest and most well-rounded Soldiers through the accomplishment of physical and mental challenges, as well as basic Soldier skills. (U.S. Army photo by Spc. Darnell Torres).