Participants of the Swedish Basic Winter Warfare Course rest in front of a fire during the course's culminating event in Arvidsjaur, Sweden, Jan. 23, 2018.
Marines from the Black Sea Rotational Force and the 26th Marine Expeditionary Unit, along with troops from 9 other countries, participated in the Swedish Basic Winter Warfare Course. (U.S. Marine Corps photo by SSgt. Marcin Platek). Original public domain image from Flickr