EXPLOSIVES TRAINING U.S. Marine Corps Lance Cpl. Pablo Perez provides security during training to counter improvised explosive devices on Camp Leatherneck in Helmand province, Afghanistan, April 3, 2013. Perez, a rifleman, is assigned to Kilo Company, 3rd Battalion, 4th Marine Regiment. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 382256-C-XQC59-091.jpg Photo Gallery