The
use of dogs and horses by the military is common knowledge but less
well known is the fact that the military has trained both dolphins and
sea lions for military use. The United States, Russia, Iran, and
Ukraine are all countries that have trained these sea mammals for use in
military situations.
Early in the 1960’s the United States military began training
bottlenose dolphins and sea lions with the skills to detect mines and to
help with the design of new submarines and other underwater weapons.
The sonar capability of the bottlenose dolphin and its high
intelligence have proved to be very helpful in training them to locate
underwater mines.
Bottlenose Dolphin in Military Training
The head of the marine mammal research program at the University of
Hawaii, Paul Nachtigall, said in an interview with National Geographic
that bottlenose dolphins far exceeded the speed and accuracy of machines
when locating objects on the seafloor.
The dolphins’ ability to send out a series of clicks and whistles and
then to build a picture of its surroundings using the return echoes
ensured that the mammals could find anything even in the murkiest of
water. This was especially true when working inshore when the sounds
from ships’ engines and the crashing of the waves generate a lot of
interference. This caused the dolphins no problems, and they found
their targets with unerring accuracy. A Bottlenose Dolphin surfs the wake of a research boat on the Banana River
The most famous set of experiments done by Nachtigall was done with a
bottlenose dolphin named BJ in the mid-1990s. BJ was trained to
distinguish between different metals such as brass, aluminum, and
stainless steel. Nachtigall hid 10-centimeter cylinders and asked BJ to
retrieve the correct metal which he did every time.
Even burying the cylinders under just over a half a meter of mud did
not faze this incredible creature and he found them every time. How the
dolphins achieve this still baffles scientists, but it did catch the
attention of the military.
California sea lions do not have echolocation capability, but the
fantastic underwater eyesight of the sea lion made it invaluable for
locating enemy swimmers. They were trained to search out objects lying
on the seabed and to attach a lamp to the object. Zak, a 375 lb (170 kg) Navy sea lion leaps back into the boat after a harbor-patrol training mission.
The animal’s handler would then use a line connected to the clamp to
retrieve the objects. The animals were also found to be fantastic
guards for sea-based installations as they could see any intruder on top
of or under the water.
In 2011, the military put on a demonstration for the media in San
Diego Bay in California. The Navy deployed their mammalian underwater
guards, and they asked a former US Navy SEAL to try and infiltrate the
base. The sea lions caught the intruder every time that he tried to
infiltrate the base and sea lions managed to attach a clam to the
diver’s leg which allowed its handler to reel in the diver like a fish
on the line! An NMMP sea lion attaches a recovery line to a piece of test equipment during training.
When the Soviet Union discovered, in the 1960’s, that the US was
conducting tests using bottlenose dolphins and sea lions they began a
comparable program. Retired Colonel Viktor Baranets said in an
interview with AFP that the Americans had been the first to begin
working with sea mammals but when the Soviet intelligence community
discovered the work being undertaken by the USA, the Soviets were quick
to follow suit.
The Soviet Navy opened their comparable research facility near
Sevastopol at KazachyaBukhta in 1965. This base was handed over to the
Ukrainian Navy at the fall of the Soviet Union and marked the end of the
Russian research program. The base fell into disrepair, and reports
show that 2,000 dolphins from the base were sold to Iran. Personnel attending four dolphins during a flight aboard a C-17 Globemaster III.
Their chief trainer continued with the research at an oceanarium in
Iran. The station was resurrected by the Ukrainian Navy in 2012 and the
research programs re-established, but when Crimea rejoined Russia in
March 2014, the program returned to Russian control. K-Dog, trained by the US Navy to find mines and boobytraps underwater, leaping out of the water
The Soviet program trained dolphins to not only search for objects
but to also plant explosive devices on enemy vessels. They were also
used to locate unexploded torpedoes and shipwrecks in the Black Sea.
The United States had, at the end of 2017, around 75 dolphins in
training as well as sea lions at their base in San Diego, California.
In 2007, the cost of this program was US$14 million. There are no
available costs for the Soviet, Russian or Ukrainian programs except for
a small newspaper piece that said the Soviets had paid £18,000 for five
bottlenose dolphins. Navy
Diver 2nd Class Michael Gerstel, a handler assigned to Marine Mammal
Company of Explosive Ordnance Disposal Mobile Unit (EODMU) 1, rewards a
bottlenose dolphin after a successful training evolution at Joint
Expeditionary Base Little Creek-Fort Story during Frontier Sentinel 2010
It is inevitable that the secrecy that surrounds these programs leads
to many conspiracy theories about the use of these mammals in war. The
United States denies emphatically that their program trains dolphins to
injure humans or to deploy explosives or to fight against an enemy’s
marine mammals. However, it is a documented that the US deployed their
sea lions in the Gulf Wars. They were used in Bahrain in 2003 in
support of Operation Enduring Freedom.
Not only have bottlenose dolphins and sea lions been extensively
trained but tests have been carried out using some 19 species of sea
animals, including sharks and seabirds. Many of these tests proved
futile, but some have generated promising results. A
trainer with the U.S. Navy Marine Mammal Program works with the dolphin
Constellation during training at Naval Air Station Key West’s Truman
Harbor.
The morality of using sea mammals for the support of the military can
be argued ad infinitum, but the fact that these mammals have an
unerring accuracy in locating objects or swimmers make them ideal for
the protection of naval bases, both on land and at sea.
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