Marines from 3rd Battalion, 1st Marine Division, 1 Marine Expeditionary Force recently conducted training aboard Marine Corps Mountain Warfare Training Center in Bridgeport, Calif., Aug. 18 to Sept. 17, 2014. The month-long exercise trained Marines in many facets all centered on mountaineering skills and high-altitude warfare. Assault climbing, rappelling, horse and mule packing, and small unit movements were all included during the exercise. - Marines from 3rd Battalion, 1st Marine Division, I Marine Expeditionary Force recently conducted training aboard Marine Corps Mountain Warfare Training Center in Bridgeport, California, Aug. 18 to Sept. 17, 2014. The month-long exercise trained Marines in many facets all centered on mountaineering skills and high-altitude warfare. Assault climbing, rappelling, horse and mule packing, and small unit movements were all included during the exercise.