Anti-frogman Techniques - Anti-frogman Weapons - Trained Animals, As Weapons

Trained Animals, As Weapons

A reported anti-frogman guard is (or was) dolphins trained to carry on the nose a device which injects a large amount of compressed carbon dioxide into the frogman. This would likely be lethal due to blood embolism. It is said that they were trained at Point Mugu. It was said that this device was abandoned because of fears that wild dolphins might imitate and start harassing ordinary divers. Today the mammals are primarily trained to force the diver to the surface using pushing techniques in the assumption that the majority of incursions can be addressed in this manner.

This link says that the US Navy has deployed sea lions to detect divers in the Persian Gulf. The sea lion is trained to detect the diver, connect a marker buoy to his leg by a C-shaped handcuff-like clamp, surface, and then bark loudly to raise the alarm. 20 sea lions have been trained for this at the US Naval Warfare Systems Center in San Diego. Some have been flown to Bahrain to help the Harbor Patrol Unit to guard the US Navy's 5th Fleet. Sea lions adapt easily to warm water, can dive repeatedly and swim up to 25 mph, can see in near-darkness, and can tell where sound comes from underwater. In training the sea lions have been known to chase divers onto land. See also this link.

This link reports that in 1970 to 1980 trained dolphins killed 2 Russian frogmen who were putting limpet mines on a USA cargo ship in Cam Ranh bay in Vietnam. After that, Russian PDSS frogmen were trained to fight back against trained dolphins, and in an incident on the coast of Nicaragua PDSS frogmen killed trained anti-frogman dolphins. Arrival of underwater rifles and pistols seems to make the trained animal threat less.

Animals, unlike ROVs etc., need to be fed and kept in training whether they are needed at work or not, and cannot be laid aside in a storeroom until needed.

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