Defending Against Frogmen
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.
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Famous quotes containing the word defending:
“When I tell any truth it is not for the sake of convincing those who do not know it, but for the sake of defending those who do.”
—William Blake (1757–1827)