echo-ranging operated acoustic torpedo

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Sonar — This article is about underwater sound propagation. For atmospheric sounding, see SODAR. For other uses, see Sonar (disambiguation) … Wikipedia
Anti-submarine warfare — (ASW or in older form A/S) is a branch of naval warfare that uses surface warships, aircraft, space craft or other submarines to find, track and then damage or destroy enemy submarines. Like many forms of warfare, successful anti submarine… … Wikipedia
USS Vireo (AM-52) — was a , and USS|Turkey|AM 13. Shortly before 0800 that morning, Japanese aircraft roared overhead. The marauders swept over the Fleet s base and devastated not only Peal Harbor, but outlying Army and Navy installations all over the island of Oahu … Wikipedia
Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… … Wikipedia
Hydroakustik — Wasserschall ist Schall, der im Wasser übertragen wird. Das zugehörige Fachgebiet der Akustik ist die Hydroakustik. Gelegentlich wird der Begriff Wasserschall auch als Synonym für die technische Anwendung der Hydroakustik gebraucht. Besondere… … Deutsch Wikipedia

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