Marines with Combat Logistics Battalion 26, 2nd Marine Logistics Group, hike to their next bivouac site Tuesday at the Marine Corps Mountain Warfare Training Center (MWTC) Bridgeport, Calif. MWTC trains Marines for operations in mountainous, high altitude, and cold weather environments in order to enhance a unit's ability to shoot, move, communicate, sustain and survive in mountainous regions of the world. Sgt. Anthony Ortiz/Marine Corps