171031-N-NJ910-0186 ATLANTIC OCEAN (Oct. 31, 2017) A landing craft, air cushion assigned to Assault Craft Unit (ACU) 4 departs the well deck of the amphibious assault ship USS Iwo Jima (LHD 7). Iwo Jima is at Naval Station Norfolk as it prepares for an Enhanced Comprehensive Unit Training Exercise. (U.S. Navy photo by Mass Communication Specialist Seaman Dary M. Patten/Released)