Army Sgt. 1st Class Nelson Molinarez participates in night land navigation during the Best Warrior competition at Fort Knox, Ky., March 22, 2016. Molinarez is assigned to the Army Reserves Career Division. The Best Warrior Competition is a four-day event that tests competitors' aptitude through urban warfare, board interviews, physical fitness tests, written exams, warrior tasks and battle drills. Army photo by Spc. Gabriel Prado