Originally published February 13, 2007 at 12:00 AM | Page modified February 13, 2007 at 11:16 AM
Navy wants dolphins, sea lions to defend us
Dozens of dolphins and sea lions trained to detect and apprehend waterborne attackers could be sent to patrol a Puget Sound military base...
The Associated Press
PETTY OFFICER FIRST CLASS BRIEN / AP
Zak, a 375-pound California sea lion, shows his teeth during a U.S. Navy training swim at an undisclosed location. Zak has been trained to locate suspicious swimmers and objects in the water. The Navy wants to send sea lions and dolphins to help guard Naval Base Kitsap-Bangor.
SAN DIEGO — Dozens of dolphins and sea lions trained to detect and apprehend waterborne attackers could be sent to patrol a Puget Sound military base, the Navy said Monday.
In a notice published in this week's Federal Register, the Navy said it needs to bolster security at Naval Base Kitsap-Bangor.
The base, home to submarines, ships and labs, is potentially vulnerable to attack by terrorist swimmers and divers, the notice states.
Several options are under consideration, but the preferred plan would be to send as many as 30 California sea lions and Atlantic bottlenose dolphins from the Navy's Marine Mammal Program, based in San Diego.
The Navy wanted to deploy marine animals to the Northwest in 1989, said Tom LaPuzza, a spokesman for the Marine Mammal Program, but a federal judge sided with animal-rights activists concerned about the effects of cooler water, as well as how the creatures would affect the environment. Water in Puget Sound is about 10 degrees cooler than in San Diego Harbor, which has an average temperature of about 58 degrees, LaPuzza said.
Since then, the Navy has taken the dolphins and sea lions to cold-water places like Alaska and Scandinavia to see how they cope.
"They did very well," LaPuzza said. "These animals have the capabilities for what needs to be done for this particular mission."
Dolphins:
Drop beacons when they detect a suspicious swimmer to let human interceptor teams know where to look.Sea lions: Carry special cuffs in their mouths that they can attach to a suspicions swimmer's leg. Human interceptor teams can reel the swimmer in using a long rope attached to the cuff.
LaPuzza said that because of their astonishing sonar abilities, dolphins are excellent at patrolling for swimmers and divers. When a Navy dolphin detects a person in the water, it drops a beacon. This tells a human interception team where to find the suspicious swimmer.
Dolphins also are trained to detect underwater mines; they were sent to do this in the Iraqi harbor of Umm Qasr in 2003. The last time the animals were used operationally in San Diego was in 1996, when they patrolled the bay during the Republican National Convention.
Sea lions can carry in their mouths special cuffs attached to long ropes. If the animal finds a rogue swimmer, it can clamp the cuff around the person's leg. The individual can then be reeled in for questioning.
The Navy is seeking public comment for an environmental-impact statement on the proposal. It's not clear how much the plan would cost
If the animals are sent to Washington, the dolphins would be housed in heated enclosures and would patrol the bay only for periods of about two hours.
Stephanie Boyles, a marine biologist and spokeswoman for People for the Ethical Treatment of Animals, said sea mammals do not provide a reliable defense system, and that they should not be kept in small enclosures.
"We believe the United States' citizens deserve the very best defense possible, and this just isn't it," Boyles said, adding that dolphins are easily distracted once in open water. "They don't understand the consequences of what will happen if they don't carry out the mission."
Dolphins can live as long as 30 years. LaPuzza said the Navy occasionally gives its retired animals to marine parks but generally keeps them until they die of old age.
The Navy has been training marine mammals since the 1960s and keeps about 100 dolphins and sea lions. Most are in San Diego, but about 20 are deployed at Naval Submarine Base Kings Bay, Ga.
The Navy hopes eventually to downsize its marine-mammal program and replace the animals with machines.
"But the technology just isn't there yet," LaPuzza said
Officials at the naval base could not be reached for comment Monday night
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