Dry Deck Shelter & Subtrap - Phojo-Frog

Dry Deck Shelter (DDS) Hangar Supervisor monitors as DDS Deck Crewman push a SEAL Delivery Vehicle (SDV) up above the slipstream that is caused by the underway current across the DDS and host submarine. DDS is a deep submergence system (round garage) that attaches to the hull of designated submarines.