Marines with Marine Wing Support Squadron 373, Marine Wing Support Group 37, 3rd Marine Aircraft Wing, I Marine Expeditionary Force, lay down AM-2 matting for the new expeditionary airfield at Marine Corps Mountain Warfare Training Center, Sept. 11. The squadron is scheduled to complete the new airfield by the end of October 2009. (Official U.S. Marine Corps photo by Cpl. Christopher O'Quin)(Released) - Marines with Marine Wing Support Squadron 373, Marine Wing Support Group 37, 3rd Marine Aircraft Wing, I Marine Expeditionary Force, lay down AM-2 matting for the new expeditionary airfield at Marine Corps Mountain Warfare Training Center, Sept. 11. The squadron is scheduled to complete the new airfield by the end of October 2009. (Official U.S. Marine Corps photo by Cpl. Christopher O'Quin)(Released)