U.S. Army Capt. Kate Alfin, a UH-60 Black Hawk helicopter pilot with the 12th Combat Aviation Brigade based at Ansbach, Germany, practices Nordic cross-country skiing under a full combat load at the Allied Winter Course at the Norwegian School of Winter Warfare in Elverum, Norway, Jan. 15, 2016. The Allied Winter Course provides students with basic knowledge and practical experience to operate in cold weather environments to include survival, mobility and leadership under winter conditions. Norwegian Army photo