Underwater communication system by means of coded pulses
Underwater communicator
Underwater control system
Underwater data communication and instrument release...
Underwater depth telemetry
Underwater detection system
Underwater diving assistant apparatus
Underwater guidance systems, unmanned underwater vehicles...
Underwater launched acoustic warning assembly
Underwater location and communication device
Underwater location and communication system
Underwater measurement device
Underwater reconnaissance and surveillance system
Underwater signaling device and method
Underwater signalling device
Underwater small target weapon
Underwater sound delivery system
Underwater sound transmitting system
Underwater sounding apparatus
Underwater telemetry apparatus and method