C4 Explosives U.S. Army Sgt. Eric Wallace places C4 explosives onto a stack of unexploded ordnances during a joint mine clearing operation at Orahovac Demolition Range in Kosovo, April 4, 2016. Wallace is an explosive ordnance disposal technician assigned to the Multinational Battle Group-East. Army photo by Staff Sgt. Thomas Duval SHARE: Download: Full Size (2.77 MB) Tags: Soldiers, Atlantic Resolve Credit: Staff Sgt. Thomas Duval VIRIN: 160404-A-BE343-006A.JPG Photo Gallery