PORT HUENEME, Calif. (Sept. 23, 2020) Seabees assigned to Naval Mobile Construction Battalion (NMCB) 4 transport a mock casualty from a simulated mortar strike to be notionally medically evacuated. NMCB-4 is exercising the capability to construct and defend an advance naval base. Seabees are the expeditionary engineering and construction experts of the naval service providing task-tailored, adaptable and combat-ready engineering and construction forces that deploy to support global Navy objectives. (U.S. Navy photo by Construction Electrician Constructionman Alexzander Petitt)