200114-N-BN840-1305 CAMP PENDLETON, Calif. (Jan. 14, 2020) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 3 and Marines assigned to 7th Engineer Support Battalion, 1st Marine Logistics Group secure an Improved Ribbon Bridge bay to a bridge erection boat during a joint bridge exercise on board Marine Corps Base Camp Pendleton. The week-long exercise demonstrates NMCB capabilities and improves interoperability with Marine counterparts. (U.S. Navy photo by Builder Constructionman Lasherona Dykes/Released)