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Northern Europe used clinker construction, but with some flush-planked ship-building in, for instance, the bottom planking of cogs. [ 1 ] : ch4 The north-European and Mediterranean traditions merged in the late 15th century, with carvel construction being adopted in the North and the centre-line mounted rudder replacing the quarter rudder of ...
Mines can be laid in many ways: by purpose-built minelayers, refitted ships, submarines, or aircraft—and even by dropping them into a harbour by hand. They can be inexpensive: some variants can cost as little as US $2,000, though more sophisticated mines can cost millions of dollars, be equipped with several kinds of sensors, and deliver a warhead by rocket or torpedo.
With the defense of both the U.S. and its overseas possessions, along with a very strong national interest in assisting Britain in its struggle to keep its supply lines open to both North America and its overseas colonies, President Franklin D. Roosevelt announced what was to become known as the Emergency Shipbuilding Program on January 3, 1941, for the construction of 200 ships very much ...
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The port was initially shuttered at 1:28 a.m. March 26 when the 940-foot, Singapore-flagged ship lost power and drifted into the bridge that serves as the unofficial gateway to a harbor formed ...
VB-10,000 is a heavy-lift twin-gantry catamaran consisting of two truss space frames atop two barges.The design was derived from Versabar's earlier VB-4000 (aka Bottom Feeder), [1] [2] which was developed to clear debris from toppled oil drilling platforms in the Gulf of Mexico.
Peterson Builders Incorporated (PBI) was an American ship building company that constructed small to medium, naval and commercial ships and boats. The company mainly operated from a shipyard in Sturgeon Bay, Wisconsin .
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