T

he USNavy enlists the Phoenix Foundation's help to find out who used its SEALs diving techniques to commit three pirate robberies in two weeks. Next victim is archaeologist Barbara Ortega's crew, which just found the log and some coins of a 17th century Spanish treasure fleet. The 'pirate captain' Gar Manning planned to sell the gold back to Ortega, but overhears her explaining about the valuable log to Mac, so his team eliminates the sole witness, kidnaps Barbara and leaves Mac in a sinking yacht; yet he escapes and works out with Pete and the Navy that the ideal hiding place for once psychiatry-test-refused SEAL-applicant Gar is Navy exercise site Goat Island, so Mac approaches it in SEAL style, only to find it dangerous in several ways....

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