200116-N-BN840-1004 CAMP PENDLETON, Calif. (Jan. 16, 2020) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 3 and Marines assigned to 7th Engineer Support Battalion, 1st Marine Logistics Group construct a Medium Girder Bridge 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)