U.S. Marine Lance Cpl. Justin A. Green rappels down 50-foot tower March 18 during the first day of the three-day Mountain Warfare Training Course at the Mountain Warfare Training Center in Pohang, Republic of Korea. During the training, ROK Marines instructed U.S. Marines in Australian rappelling which is used as a military assault technique where the Marine faces down the descent and is positioned to fire a weapon downwards. Green is a field radio operator with 7th Communication Battalion, III Marine Expeditionary Force Headquarters Group, III MEF. (U.S. Marine Corps photo by Lance Cpl. Cedric R. Haller II/Released)