RED SEA (June 25, 2021) A landing craft, air cushion (LCAC) attached to Assault Craft Unit (ACU) 4, transits alongside amphibious assault ship USS Iwo Jima (LHD 7), not shown. ACU 4 is deployed with Iwo Jima to the U.S. 5th Fleet area of operations in support of naval operations to ensure maritime stability and security in the Central Region, connecting the Mediterranean Sea and Pacific Ocean through the western Indian Ocean and three strategic choke points. (U.S. Navy photo by Mass Communication Specialist Seaman Isaac A. Rodriguez)