Photos

U.S. Marines with Bridge Company, 7th Engineer Support Battalion, 1st Marine Logistics Group, prepare to move concertina wire to various locations during Exercise Deep Strike II at Blythe, Calif., Sept. 6, 2017. Concertina wire is strategically placed and used to simulate setting up a forward operating base (FOB) while deployed. The concertina wire and other defensive barriers are used keep unknown persons out of the FOB and to control access. (U.S. Marine Corps photo by Lance Cpl. Timothy Shoemaker)