Students from the Ground Supply Officer Course at the Marine Corps' Supply School learn about the role of supply in a field environment from Marines with 2nd Supply Battalion, Combat Logistics Regiment 25, 2nd Marine Logistics Group during a cooperative field exercise aboard Camp Lejeune, N.C., Aug. 27, 2013. Service members with the battalion gave students a hands-on experience with the tools of the trade and what to expect during a field operation with a supply unit.