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 IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 018034-C-KDI38-139.jpg Photo Gallery