Japan's Hitachi Ltd has awarded a contract to US-based HII to procure REMUS (Remote Environmental Monitoring Units) 300 small unmanned underwater vehicles (UUVs), ...

Ultra Maritime has secured a contract worth C$200m ($146m) to supply the Royal Netherlands Navy and the Belgian Navy with its ...

On June 18, 2025, the Indian Navy inducted INS Arnala (P68) — the first vessel in the new Anti‑Submarine Warfare ...

India Commissions Its First Anti-Submarine Warfare Shallow Water Craft (ASW-SWC), essentially a corvette on June 18, 2025.

However, high frequency active sonar — which use acoustic transducers and power for sound output — are still much effective in tackling mines and dealing with obstacle avoidance.

To counter this, its sonar systems act as both the eyes and ears of a submarine. By emitting powerful sound waves, measured up to 235 decibels, these pulses are capable of traveling hundreds of ...

Sonobuoys are equipped with hydrophones or active sonar transducers that monitor sound waves in the water, transmitting data back to operators on the surface. The deal, which is pegged at around $53 ...

He added that the company was expecting to touch a turnover of ₹1,000 crore by 2025 and ₹2,000 crore by 2030.

Sonar-Systems News: Billions In Lost Treasure: How Modern Technology Is Revealing Hidden Riches From The Depths!, US, Australia To Unveil Submarine Pact To ...

All of the facilities directly supported metrology and calibration needs of numerous fleet products in 2023, such as U.S. submarine towed array calibrations, submarine critical self-protect systems ...

When active, sonar transducers emit acoustic signals or pulses into the water. The hope is that these hit an object of interest - like a missing submarine, sea monster or plane perhaps.