Marines with Combat Logistics Battalion 2 secure an amphibious assault vehicle to a rail car during a railway operation training course aboard Marine Corps Base Camp Lejeune, N.C., Jan. 21, 2015. During railway operations, each vehicle, piece of equipment and cargo container must be placed and chained to a predetermined part of the rail car to avoid damage caused by movement. (U.S. Marine Corps photo by Lance Cpl. Sullivan Laramie) - Marines with Combat Logistics Battalion 2 secure an amphibious assault vehicle to a rail car during a railway operation training course aboard Marine Corps Base Camp Lejeune, N.C., Jan. 21, 2015. During railway operations, each vehicle, piece of equipment and cargo container must be placed and chained to a predetermined part of the rail car to avoid damage caused by movement. (U.S. Marine Corps photo by Lance Cpl. Sullivan Laramie)

Marines with 8th Engineer Support Battalion, 2nd Marine Logistics Group tie a MKIII Bridge Erection Boat to the side of a raft during an operation aboard Camp Lejeune, N.C., March 30, 2012. The Marines of Bridge Company, 8th ESB transported 15 vehicles and 48 Marines across the river, which significantly reduced the travel time for 2nd Tank Battalion, 2nd Marine Division. - Marines with 8th Engineer Support Battalion, 2nd Marine Logistics Group tie a MKIII Bridge Erection Boat to the side of a raft during an operation aboard Camp Lejeune, N.C., March 30, 2012. The Marines of Bridge Company, 8th ESB transported 15 vehicles and 48 Marines across the river, which significantly reduced the travel time for 2nd Tank Battalion, 2nd Marine Division.