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41USS Barnegat (SP-1232) — was a commercial tugboat acquired by the U.S. Navy during World War I. She was armed with a 3 inch gun and sent to Brest, France, to perform towing services for Allied ships. Post war, she returned to the United States, was decommissioned, and… …
42Diver propulsion vehicle — Diver using a DPV for underwater propulsion …
43Dry bulk cargo barge — A self propelled dry bulk barge carrying crushed stone near Wuhan, 18 June 2006 …
44Phonological history of English diphthongs — Note: This article deals with sound changes involving English language diphthongs. Each of the following sound changes involved at least one phoneme which historically was a diphthong. The sound changes discussed here may also have involved a… …
45Submarine — 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… …
46German auxiliary cruiser Kormoran — Kormoran redirects here. For other uses, see Kormoran (disambiguation). Auxiliary cruiser Kormoran meets a German U boat at sea Career (Nazi Germany) …
47Kite control systems — Kite types, kite mooring, and kite applications result in a wide variety of kite control systems; contemporary manufacturers, kite athletes, kite pilots, scientists, and engineers are expanding kite control systems. Single line kite control… …
48USS Pittsburgh (CA-72) — The third USS Pittsburgh (CA–72), originally named Albany , was a Baltimore class heavy cruiser laid down 3 February 1943 by Bethlehem Steel Co., Quincy, Mass.; launched 22 February 1944; sponsored by Mrs Cornelius D. Scully, wife of the Mayor of …
49USS Bermuda (1861) — was a large steamer captured by the Union Navy during the American Civil War. She was used by the Union Navy as a cargo and general transport ship in support of the Union Navy blockade of Confederate waterways, primarily in Florida and the Gulf… …
50commercial fishing — Introduction the taking of fish and other seafood and resources from oceans, rivers, and lakes for the purpose of marketing them. Fishing is one of the oldest employments of humankind. Ancient heaps of discarded mollusk shells (shell… …
