COMPOUND FIRES U.S. Marine Corps instructors light fires in a compound during training to counter improvised explosive devices on Camp Leatherneck in Helmand province, Afghanistan, April 3, 2013. The Marine instructors are assigned to the 2nd Combat Engineer Battalion. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 018034-C-KDI38-139.jpg Photo Gallery