A Marine with 1st Battalion, 9th Marine Regiment, practices cross country skiing techniques at the Grouse Meadow training area at Marine Corps Mountain Warfare Training Center Bridgeport, Calif., Feb. 25, 2013. MCMWTC utilizes the Summer and Winter Mountain Leaders Course, Mountain Survival Course, Mountain Scout Sniper Course and many other courses to prepare Marines for high-altitude cold-weather environments. Between five thousand and 16-thousand personnel train at MCMWTC annually.