Green beret Terry Schappert demonstrates how to survive in shark infested waters; when do these predators attack and what can you do to escape them?

Green beret Terry Schappert demonstrates how to survive in shark infested waters; when do these predators attack and what can you do to escape them?

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Green beret Terry Schappert demonstrates how to survive in shark infested waters; when do these predators attack and what can you do to escape them?