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Analysts say sonar pulses can cause extensive soft tissue damage to divers at close range. Australia says the Toowoomba notified the Ningbo that diving operations were underway and asked the ...
The sonar being used in the test was an experimental research and development sonar, which was considerably smaller and less powerful than an operational sonar on board a deployed naval vessel. Dr Frantzis believed that wide distribution of the stranded whales indicated that the cause has a large synchronous spatial extent and a sudden onset.
Australia on Saturday accused the Chinese navy of likely causing minor injuries to Australian naval divers by operating its sonar while they were trying to clear fishing nets from their ship's ...
"Soon after, it was detected operating its hull-mounted sonar in a manner that posed a risk to the safety of the Australian divers who were forced to exit the water." The conduct was "unsafe and ...
Examples of diver-detecting active sonar systems are: AN/WQX-2 – Diver detection sonar used in defense against underwater incursions; Cerberus (sonar) – Diver detection device; Underwater Port Security System – Defense against hostile swimmer incursions; Trained animals Trained dolphins and sea lions can find submerged divers.
The LIMIS (limpet mine imaging sonar) is a hand-held or ROV-mounted imaging sonar for use by a diver. Its name is because it was designed for patrol divers (combat frogmen or clearance divers) to look for limpet mines in low visibility water. The LUIS (lensing underwater imaging system) is another imaging sonar for use by a diver.
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When an enemy diver is detected by a dolphin, the dolphin approaches from behind and bumps a device into the back of the enemy's air tank. This device is attached to a buoy which then explodes, alerting the Navy personnel of the intruder. Sea lions carry a similar device in their mouth, but instead attach it by hand-cuffing one of the enemy's ...