Marines with 8th Engineer Support Battalion, 2nd Marine Logistics Group, install the deck portion of a 12-bay, double-story, medium-girder bridge at Landing Zone Dove on Marine Corps Base Camp Lejeune, N.C., Nov. 19, 2014. Marines finished the construction in less than six hours. The training reinforced Marines skills in building a bridge that can support the weight of a tank. (Marine Corps photo by Lance Cpl. Kirstin Merrimarahajara/released) - Marines with 8th Engineer Support Battalion, 2nd Marine Logistics Group, install the deck portion of a 12-bay, double-story, medium-girder bridge at Landing Zone Dove on Marine Corps Base Camp Lejeune, N.C., Nov. 19, 2014. Marines finished the construction in less than six hours. The training reinforced Marines skills in building a bridge that can support the weight of a tank. (Marine Corps photo by Lance Cpl. Kirstin Merrimarahajara/released)