Scuttling valve
Self-propelled machine for sea-bed work
Semi-submersible jackup apparatus
Semi-submersible vessels
Ship having standardized access ways
Shock isolation method and apparatus for ship-mounted device
Special submarine devices using a novel integrated lift, propuls
Stabilized floating platforms
Stealth armed surface ship
Submarine boat
Submersible barge control system
Swivel air lock for airtight connection between submergibles