surface sonar

  • 61Knox class frigate — USS Robert E. Peary (FF 1073) and the skyline of San Francisco in the background Class overview Builders …

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  • 62Ocean acoustic tomography — The western North Atlantic showing the locations of two experiments that employed ocean acoustic tomography. AMODE, the Acoustic Mid Ocean Dynamics Experiment (1990 1), was designed to study ocean dynamics in an area away from the Gulf Stream,… …

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  • 63SOUS-MARINS - Sous-marins militaires — Les différentes marines militaires ont vu dans le sous marin un moyen privilégié d’attaquer les bâtiments de surface. C’est que ce type de bâtiment possédait la qualité absolument nouvelle de se rendre invisible aux veilleurs quelle que soit… …

    Encyclopédie Universelle

  • 64Challenger Deep — Location of Challenger Deep within the Western Pacific Ocean The Challenger Deep is the deepest known point in the oceans, with a depth of 10,902 metres (35,768 ft) to 10,916 metres (35,814 ft) by direct measurement from submersibles, and… …

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  • 65List of United States Navy ratings — From left to right: a Special Warfare Operator 1st Class and a Boatswain s Mate 2nd Class. United States Navy ratings are general occupations that consist of specific skills and abilities. Each naval rating has its own specialty badge, which is… …

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  • 66Darwin IV — is a fictional planet that was the subject of Wayne Barlowe s book Expedition and the television special, Alien Planet, based on Expedition. Although the details of the discovery and exploration of Darwin IV differ in the two presentations, both… …

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  • 67Type 209 — 1400 de la marine turque. L Allemagne est le premier exportateur occidental de sous marins. Les sous marins d attaque à propulsion classique de la classe Type 209 sont des sous marins de conception allemande utilisés et construits dans plusieurs… …

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  • 68Measurement of sea ice — Annual growth and retreat of the polar ice packs from SeaWiFS images Measurement of sea ice is important for safety of navigation and for monitoring the environment, particularly the climate. Record keeping of direct observations began over a… …

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  • 69USS Benjamin Stoddert (DDG-22) — Career (US) …

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  • 70November class submarine — Class overview Name: project 627 / 627A / 645 Builders: shipyard No. 402 in …

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