U.S. and Republic of Korea Marines learn how to ski during snow mobility warfare training during Korean Marine Exchange Program 15-3 Jan. 26 in Pyeongchang. The course taught the skiers how to stop, how to turn, proper falling techniques and how to quickly climb up slopes while wearing skis. The Marines are Reconnaissance Marines with Alpha Company, 3rd Reconnaissance Battalion, 3rd Marine Division, III Marine Expeditionary Force. The ROK Marines are force reconnaissance men with Alpha Company, 2nd Battalion, 2nd Marine Division. (U.S. Marine Corps photo by Cpl. Tyler S. Giguere/Released)