U.S. and Republic of Korea Marines learn about their skis during Korean Marine Exchange Program 15-3 Jan. 23 in Pyeongchang, Republic of Korea. The Marines learned various basic and advanced ski techniques during snow mobility training. The U.S. Marines are with Alpha Company, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. The ROK Marines are with Alpha Company, 2nd Battalion, 2nd Marine Division. (U.S. Marine Corps photo by Cpl. Tyler S. Giguere/Released)