An instructor at the US Army Mountain Warfare School breaks down every piece of gear a mountain soldier would carry on a cold-weather mission, including tactical gear, mountaineering equipment, and avalanche rescue tools. Sgt. 1st Class Tim McLaughlin explains why each item is integral to the mission of the mountain soldier, who must traverse near-vertical terrain in extreme cold-weather conditions to move troops safely in and out of battle. The US Army trains soldiers for mountain warfare at the Army Mountain Warfare School at Camp Ethan Allen Training Site in Jericho, Vermont.