CAMP ROBERTS, Calif. (March 30, 2021) Builder Constructionman Caleb Burch and Construction Mechanic Constructionman Nathan Swank, assigned to U.S. Naval Mobile Construction Battalion (NMCB) 3, work as a team to fire a M-240B machine gun during a crew-served weapons course. Seabees are the expeditionary engineering and construction experts of the naval service. They provide task-tailored, adaptable and combat-ready engineering and construction forces that deploy to support Navy objectives globally. (U.S. Navy photo by Construction Mechanic 2nd Class Brian Underwood)