Buoyancy systems
Cage for undersea tethered vehicles
Cargo submarine
Circumferential circulation control system
Collapsible wet or dry submersible vehicle
Combination surface and submersible watercraft
Composite wall structure
Composite wall structure
Configuration of discharge tubes, ejection tubes or receptacles
Control for X-stern vehicle
Control surface for underwater vehicle
Control surfaces
Control tab assisted lift reducing system for underwater...
Conversion adapter for buoyancy compensator vest
Corrosion resistant connection system
Decoy
Deep water operations system with submersible vessel
Deployment of mines and other objects at sea
Depth and hover control system for unmanned underwater vehicle
Depth control device