MARINE SECURITY Marine Lance Cpl. Corey W. Dahmen provides security during training for noncombatant evacuation operations on Camp Pendleton, Calif., Nov. 19, 2014. Dahmen is a rifleman assigned to Lima Company, Battalion Landing Team 3rd Battalion, 1st Marine Regiment, 15th Marine Expeditionary Unit. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 915611-O-VDG95-989.jpg Photo Gallery