A Marine with Alpha Company, 2nd Assault Amphibian Battalion, provides security as his squad conducts casualty evacuation drills during Mountain Exercise 1-16 at the Mountain Warfare Training Center in Bridgeport, Calif., Jan. 15, 2016. Marines across II Marine Expeditionary Force and 2nd Marine Expeditionary Brigade were taking part in the training in preparation for Exercise Cold Response 16 in Norway this March. (U.S. Marine Corps photo by Cpl. Dalton A. Precht/released) - A Marine with Alpha Company, 2nd Assault Amphibian Battalion, provides security as his squad conducts casualty evacuation drills during Mountain Exercise 1-16 at the Mountain Warfare Training Center in Bridgeport, Calif., Jan. 15, 2016. Marines across II Marine Expeditionary Force and 2nd Marine Expeditionary Brigade were taking part in the training in preparation for Exercise Cold Response 16 in Norway this March. (U.S. Marine Corps photo by Cpl. Dalton A. Precht/released)