Anti-frogman techniques
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Anti-frogman techniques

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High Quality Content by WIKIPEDIA articles! Anti-frogman techniques are security methods developed to protect watercraft, ports and installations, and other sensitive resources both in or nearby vulnerable waterways from potential threats or intrusions by frogmen or other divers. In World War II this need for military underwater security was first shown by the achievements of frogmen against armed forces facilitie, see for example Italian frogman actions in WWII. Since the late 1950s, the increasing demand for and availability of sophisticated scuba diving equipment has also created concerns a...