U.S. Marines and Sailors with Combat Logistics Battalion 11 and 1st Medical Battalion, 1st Marine Logistics Group, conduct a "powder breaking" hike for Mountain Exercise 2-18 at Marine Corps Mountain Warfare Training Center, Bridgeport, Calif., March 10, 2018. The hike was conducted to familiarize students with using snowshoes to negotiate terrain and obstacles in a tactical manner. (U.S. Marine Corps photo by Sgt. James Treviño)