200610-N-YA315-1008 PORT HUENEME, Calif. (June 10, 2020) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 4 measure roofing panels to ensure they are spaced evenly on top of the structure. The sentry post is being constructed during the battalion�s technical exercise. Seabees are the expeditionary engineering and constructions 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 Construction Electrician Constructionman Alexzander Petitt/Released)