Photos

U.S. Marine Lance Cpl. James Gribble, a combat engineer with Bridge Company, 7th Engineer Support Battalion, 1st Marine Logistics Group, gives directions to Bridge Erection Boats during Exercise Deep Strike II at Blythe, Calif., Sept. 11, 2017. Bridge Company is tasked with constructing a bridge to span a 120-meter section of the Colorado River. The width, depth, and velocity all have huge impacts on how a bridge is made on a river. (U.S. Marine Corps photo by Lance Cpl. Timothy Shoemaker)