CARBON CLEAN South Korean army soldiers showcased how to decontaminate a weapon in a chemical environment during a joint training exercise with U.S. Army soldiers, Camp Casey, Dongducheon, South Korea, June 2, 2009. The soldiers are assigned to the 4th Chemical Company, 1st Brigade Special Troops Battalion. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 836328-E-HUH52-081.jpg Photo Gallery