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In a little-known part of the counter-terrorism world, one of the most effective detection systems is a 600-pound animal that works for about 20 pounds of fish a day.ÔÚ·´¿Ö½çºÜÉÙÓÐÈËÖªµÀ£¬»¹ÓÐÕâôһȺ600°õÖØµÄ¸ßЧÕì²âϵͳ£¬ËûÃÇÿÌìµÄ¹¤×ʾÍÊÇ20°õÓã¡£
Since the 1960s, the United States and a handful of other countries have trained dolphins and sea lions to detect sea mines and swimmers, and to recover inert torpedoes and testing objects used in Naval exercises.´Ó1960Ä꿪ʼ£¬ÃÀ¹úºÍÉÙÊý¼¸¸ö¹ú¼Ò¾Í¿ªÊ¼ÑµÁ·º£ëàºÍº£Ê¨À´¸ºÔðÕì²âË®À׺ÍDZˮÕߣ¬µ±È»Ò²°üÀ¨»Ö¸´ÄÇЩûÓб¬Õ¨µÄÓãÀ׺ͰïÖúº£¾ü½øÐÐѵÁ·¡£
Program officials estimate that the sea lions in the Marine Mammal Program have recovered millions of dollars of U.S. Naval torpedoes and instrumentation dropped on the sea floor.Õâ¸öÏîÄ¿µÄ¹ÙÔ±Ô¤¼Æº£Ê¨ÒѾ°ïÖúÃÀ¹ú»Ö¸´Á˼¸°ÙÍòÃÀÔªÂäÔÚ»ù°¶µÄº£¾üÓãÀ׺ÍÒÇÆ÷¡£
The U.S. Navy kept its Marine Mammal Program a secret until the 1990s, and this spring CNN became one of only a handful of media outlets to see firsthand how the program works.ÃÀ¹úº£¾üÒ»Ö±±£³ÖÕâ¸öÃØÃÜÏîĿֱµ½90Äê´ú£¬ÔÚ½ñÄê´º¼¾CNN²Å³ÉΪÉÙÊý¼¸¸öÓлú»áÒ»¶ÃÕâ¸öÏîÄ¿ÔË×÷·½Ê½µÄýÌå¡£

The program trains about 75 Pacific bottlenose dolphins, with natural biosonar that tracks better than any manmade device; and 35 California sea lions, with superb underwater eyesight.Õâ¸öÏîĿѵÁ·ÁË´óÔ¼75ֻ̫ƽÑóÆ¿±Çº£ë࣬ËûÃǵÄÉùÄÉϵͳ±ÈÈκÎÈËÔìÉ豸¶¼¸üΪ¾«×¼£»Í¬Ê±»¹ÓÐ35Ö»º£Ê¨£¬ÕâЩº£Ê¨ÔÚË®ÏÂÓг¬È˵ÄÊÓÁ¦¡£
Not only do these trained marine mammals track and retrieve millions of dollars in U.S. military equipment, they are also helping to save lives.ÕâЩÊܹýѵÁ·µÄº£Ñó²¸È鶯Îï²»½ö½ö°ïÖúÃÀ¹úÍì»ØÁ˼¸°ÙÍòÃÀÔªµÄÉ豸£¬»¹Äܹ»Íì¾ÈÉúÃü¡£
The Navy won't disclose whether the dolphins and sea lions have effectively intercepted terrorists attempting to do harm to any U.S. facilities.µ«ÊÇÃÀ¹ú¾ü·½²¢²»Ô¸Òâ͸¶ÕâЩº£ëàºÍº£Ê¨ÊÇ·ñÓйý³É¹¦×è½ØÕë¶ÔÃÀ¹úµÄ¿Ö²À»î¶¯¡£
Either way, "it serves as a deterrent effect," says Christian Harris, operations supervisor for the program.µ«ÊÇÕâ¸öÏîÄ¿µÄ¸ºÔðÈËChritian Harris˵£ºÎÞÂÛÈçºÎ£¬ËüÃǶ¼ÄÜÆðµ½ÍþÉå×÷Óá£
The mammals can be deployed via C-130 cargo aircraft to perform their missions anywhere in the world within 72 hours. They have been used in exercises from Alaska to Hawaii, operating in great temperature and environmental ranges. They also have the capability to operate off vessels.ÕâЩ¶¯Îï¿ÉÒÔµÇÉÏC-130ÔËÊä»ú72СʱÄÚÔÚÈ«ÇòÖ´ÐÐÈκÎÈÎÎñ¡£ËûÃÇÒѾÔÚ°¢À˹¼ÓºÍÏÄÍþÒIJμӹýѵÁ·£¬ËûÃÇ¿ÉÒÔÔڷdz£ÑÏ¿áµÄÆøÎ»·¾³ÏÂÖ´ÐÐÈÎÎñ¡£ËûÃÇÉõÖÁ¿ÉÒÔÍÑÀëÈ˵ÄÖ¸»ÓÖ´ÐÐÈÎÎñ¡£
Dolphins most recently were deployed in the Iraq war, performing mine detection and clearance operations in the Persian Gulf to ensure safe passage for humanitarian ships delivering aid. Some of these Iraq war "veterans" are now back home, tasked with a new mission: guarding nuclear submarines in their homeports of Bremerton, Washington, and Groton, Connecticut.º£ëà×î½ü±»²¿Êðµ½ÁËÒÁÀ¿Ë¸½½ü£¬Ö÷ҪĿµÄÊÇÕì²âË®À×£¬Í¬Ê±±£Ö¤Persianº£ÍåÊÇÒ»¸ö×ã¹»°²È«µÄÇøÓòÒÔ±¸È˵ÀÖ÷ÒåÖ§Ô®µÄ´¬Ö»¿ÉÒÔͨ¹ý¡£ÕâЩ¾ÀúÁËÒÁÀ¿ËÕ½ÕùµÄ¡°Àϱø¡±Ò²ÓÐһЩÒѾ»Øµ½ÁËÃÀ¹ú£¬½ÓÊÜеÄÈÎÎñ£º±£»¤ºÍËûÃÇ×Ô¼ºµÄ¸ÛÍåÔÚÒ»ÆðµÄÃÀ¹úºËDZͧ»ùµØ¡ª¡ª»ªÊ¢¶ÙµØÇøµÄBremerton£¬ÒÔ¼°¿µÄùµÒ¸ñÖݵÄGroton¡£
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