200513-N-UN063-1002 PORT HUENEME, Calif. (May 15, 2020) Builder Constructionman Thomas Hoffman, from Boulder Junction, Wis., assigned to Naval Mobile Construction Battalion (NMCB) 3, uses a level and trowel to ensure proper placement of concrete masonry unit block during a Seabee Technical Trainer masonry build module as part of a command sustainment exercise. 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 Equipment Operator Constructionman David Hoelting/Released)