A U.S. Marine Corps CH-53 helicopter carries a M777 Howitzer on Camp Lejeune, N.C., August 14, 2014. Marines with Landing Support Company, Headquarters Regiment, 2nd Marine Logistics Group, attached M777 Howitzers to CH-53 helicopters as part of the training. (U.S. Marine Corps photo by Lance Cpl. Desire M. Mora/Released)