submergence trials

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• Deep Submergence Vehicle — A Deep Sea Submergence Vehicle (DSV) is a deep diving manned submarine that is self propelled. The term DSV is generally one used by the United States Navy, though several navies operate vehicles that can be accurately described as DSVs. DSVs are …   Wikipedia

• NR-1 Deep Submergence Craft — The Deep Submergence Vessel NR 1 is a unique US Navy nuclear powered ocean engineering and research submarine. Casually known as Nerwin, it was built by the Electric Boat Division of General Dynamics at Groton, Connecticut. It was launched on 25… …   Wikipedia

• United States O class submarine — For other ships of the same name, see O class submarine. USS O 1 (SS 62) lead ship of her class in dry dock at Portsmouth Nary Yard in September 1918 …   Wikipedia

• USS Tringa (ASR-16) — was laid down on 12 July 1945 at Savannah, Georgia, by the Savannah Machine Foundry Co.; launched on 25 June 1946; sponsored by Mrs. Nola Dora Vassar, the mother of Curtis L. Vassar, Jr., missing in action; and commissioned on 28 January 1947, Lt …   Wikipedia

• Submarine — For other uses, see Submarine (disambiguation). A Japan Maritime Self Defense Force Oyashio class submarine in 2006 A submarine is a watercraft capable of independent operation below the surface of the water. It differs from a submersible, which… …   Wikipedia

• USS Triton (SSRN-586) — USS Triton (SSRN/SSN 586), a U.S. Navy nuclear powered radar picket submarine, was the first vessel to execute a submerged circumnavigation of the Earth, accomplishing this during her shakedown cruise in early 1960. She also has the distinction… …   Wikipedia

• Operation Sandblast — Part of Cold War (1953–1962) …   Wikipedia

• Destroyer — For other uses, see Destroyer (disambiguation). USS Winston S.Churchill, a US Navy Arleigh Burke class destroyer. In naval terminology, a destroyer is a fast and maneuverable yet long endurance warship intended to escort larger vessels in a fleet …   Wikipedia

• PT boat — PT 105 at high speed PT Boats were a variety of motor torpedo boat (hull classification symbol PT , for Patrol Torpedo ), a small, fast vessel used by the United States Navy in World War II to attack larger surface ships. The PT boat squadrons… …   Wikipedia

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• Battleship — For other uses, see Battleship (disambiguation). The firepower of a battleship demonstrated by USS Iowa (ca. 1984) A battleship is a large armored warship with a main battery consisting of heavy caliber guns. Battleships were large …   Wikipedia