12 manned submersible vehicles, aircraft and apparatus for locomotion by land, by air and by water and the parts thereof, vehicles, craft and apparatus for water locomotion, namely, speed boats, ferry boats, pontoon boats, ships, pleasure craft being yachts, sailboats, sailing boats, dinghies, row boats, pedal boats, mechanically propelled boats, rowing boat, small crafts being fishing boats, tenders being boats, semi-rigid boats, inflatable boats, river boats, canoes, kayaks, rafts, dugouts being dugout canoes, sea propulsion devices being rocket engines for water vehicle propulsion, personal watercraft being small powerboats, personal jet boats, water scooters, motorized water vehicles being boats, ships, racing boats, water sports boats, underwater diver propulsion devices, underwater swimmer propulsion vehicles, aquatic drones, autonomous boats, submarines, yachts, passenger boats, cruise ships, passenger liners begin ships, watercraft for recreational and professional use in the nature of boats, water scooters, paddle boats, personal jet boats, lifeboats, fireboats, professional boats, cargo boats, fishing boats, trawlers being boats, barges, tugboats, container ships, amphibious vehicles, military boats and ships, military submarines; Land and water vehicle accessories, namely, trailers, davits for boats, connecting rods, other than parts of motors and engines, rudders, keels being parts of boats, daggerboards being parts of boats, oars, scull oars, scullers being sculls, paddles for canoes, kayaks, and outriggers, boat hooks, fenders and boat fenders, spars for ships, masts, yards being spars for ships, booms, spinnaker poles being spars for sailboats, spreader spar, propellers, undulating membranes being boat propellers, protective fitted covers, steering controls and steering system components, namely, steering wheel attachment comprised of an electric motor and drive gear and a ring gear that when activated by an external controller, turns the steering wheel to effect automatic vehicle steering in straight or curved paths, boat-launching devices in the nature of trolleys