U.S. Marine Corps Lance Cpl. Joseph Snyder, a motor transport mechanic with Combat Logistics Regiment 25, 2nd Marine Logistics Group, provides security during a field exercise at Marine Corps Base Camp Lejeune's Gun Position One in North Carolina on April 3, 2012. The purpose of the exercise is to give Marines and sailors within the regiment an opportunity to enhance battle skills that they don't get to practice on a day-to-day basis.