Traditional sonar and radar use an echo-based approach, and have been amazingly successful in sensing and tracking vehicles and objects under water, through the air, or even in space. The principle is ...
Dark Seas Official on MSN
The Submarine That Almost Sparked WW3
The Barents Sea was peaceful and quiet. The midnight waters appeared undisturbed. Under the cloak of darkness, HMS Conqueror, ...
The Philippine Navy will acquire modular towed-array sonar systems (TASS) for three of its six upcoming Rajah Sulayman-class offshore patrol vessels (OPV) for P2.40 billion ($35 million USD).
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