CUTTING STEEL U.S. Navy Petty Officer 3rd Class Tristen Ludewick shows Cambodian infantry cadets and sailors how to cut through steel using a plasma torch on board USS Essex, off the coast of Sihanoukville, Cambodia, Nov. 28, 2007. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 952323-Z-DSK01-158.jpg Photo Gallery