Marines from the Mountain Leaders Section, Mountain Warfare Training Center, Bridgeport, Calif., approach the summit during the touring event at the Mountain Troops Winter Challenge 2018, Chamrousse, France, March 14, 2018. "Team America" is one of six international teams participating in the competition of mountain infantry skills and tactics. (U.S. Marine Corps photo by Lance Cpl. Preston L. Morris) - Marines from the Mountain Leaders Section, Mountain Warfare Training Center, Bridgeport, Calif., approach the summit during the touring event at the Mountain Troops Winter Challenge 2018, Chamrousse, France, March 14, 2018. "Team America" is one of six international teams participating in the competition of mountain infantry skills and tactics. (U.S. Marine Corps photo by Lance Cpl. Preston L. Morris)