U.S. Marine Corps Lance Cpl. Preston J. Mcdonald, a

U.S. Marine Corps Lance Cpl. Preston J. Mcdonald, a public affairs correspondent with the Public Affairs Office, II Marine Expeditionary Force, rappels from Sardine Rock, Mountain Warfare Training Center (MWTC), Bridgeport, California, Oct. 4, 2014. Mcdonald covered the training conducted by Combat Logistics Battalion 6, Combat Logistics Regiment 2, 2nd Marine Logistics Group, and Weapons Company, 2nd Battalion, 5th Marine Regiment during the basic mobility course. (U.S. Marine Corps photo by Cpl. Desire M. Mora/ Released)