Propulsion units and components thereof, namely, engines and hydrodynamic and aerodynamic thrust generating and control devices in the nature of internal combustion engines and electric motors, propellers, ducted propellers, impellers, jet drives, and articulated thrust generating fins, propulsion power generation systems comprised of internal combustion engines with generators, and propulsive parts and replacement parts therefore, namely, propellers, ducted propellers, impellers, and replacement components therefor, all for unmanned surface, semi-submersible, underwater, and sea-based aerodynamic and hydrodynamic vehicles in the nature of boats, semi-submersibles, underwater diver propulsion vehicles, underwater remotely operated vehicles (ROVs), and submarines for transport

Marine motorized vehicles, namely, unmanned surface, semi-submersible, underwater, and sea-based aerodynamic and hydrodynamic vehicles in the nature of boats, amphibious transport vehicles, underwater remotely operated vehicles (ROVs), underwater diver propulsion vehicles, and submarines for transport, and structural parts therefor, namely, hydrodynamic, aerodynamic, and low signature hulls, struts, wings, fins, and replacement components