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landing craft
Landing craft are boats and seagoing vessels used to convey a landing force (infantry and vehicles) from the sea to the shore during an amphibious assault. Most renowned are those used to storm the beaches of Normandy, the Mediterranean, and many Pacific islands during World War II. This was the high point of the landing craft, with a significant number of different designs produced in large quantities by the United Kingdom and United States.
Because of the need to run up onto a suitable beach, World War II landing craft were flat-bottomed, and many designs had a flat front, often with a lowerable ramp, rather than a normal bow. This made them difficult to control and very uncomfortable in rough seas. The control point (too rudimentary to call a bridge on LCA and similar craft) was normally at the extreme rear of the vessel, as were the engines. In all cases, they were known by an abbreviation derived from the official name rather than by the full title.
==History==
In the days of sail, the ship's boats were used as landing craft. These rowing boats were sufficient, if inefficient, in an era when marines were effectively light infantry, participating mostly in small-scale campaigns in far-flung colonies against less well-equipped indigenous opponents.
In order to support amphibious operations during the landing in Pisagua (1879) by carrying significant quantities of cargo, and landing troops directly onto an unimproved shore, the Government of Chile built flat-bottomed landing craft, called ''Chalanas''. They transported 1,200 men in the first landing and took on board 600 men in less than 2 hours for the second landing.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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