CONCEALED A U.S. Marine posts security during a field exercise that was part of a Corporal's Course on Camp Lejeune, N.C., May 14, 2010. The Marine is assigned to the 2nd Marine Logistics Group. The 2nd MLG recently initiated their own version of the Staff Non-commissioned Officer Academy's Corporal's Course to allow 2nd MLG corporals to go through the mandatory course without taking them out of their day-to-day jobs over an extended period of time. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 947585-I-XTX69-336.jpg Photo Gallery