TACTICS TRAINING U. S. Marine Lance Cpl. Matthew McNeill provides security while participating in a training patrol on improvised explosive devices at the Yuma Proving Grounds, Yuma, Ariz., Oct. 2, 2012. McNeill, a assaultman, is assigned to the 2nd Marine Division's Kilo Company, 3rd Battalion, 6th Marine Regiment, 2nd Marine Division. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 154703-Q-NDI62-583.jpg Photo Gallery