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Rather than the beach assault of modern amphibious operations, seaborne assaults of the classical and medieval age more often took the form of coastal raiders sailing up river and landing well inland of the coast. Prior to the invention of naval artillery that could sink hostile ships, the most that coastal defence could do was act as an early ...
In the 1920s and 1930s, most U.S. coast defense facilities were put on "maintenance" status, a type of "mothballing." In the late 1930s and early 1940s, a new program of construction added huge 16-inch gun batteries, as well as rapid-firing 6-inch and 90 mm guns (for use against motor torpedo boats ) to many harbors' defenses, and large fields ...
Also known as the Black Bulwark, the bulwark comprised an earthwork defence, forming part of a chain of defences between Sandown and Walmer Castle, linked by a trench or a covered way. It was designed by Stephen Haschenperg. By 1547, the bulwark was defaced and the guns had been removed; it was formally removed from service in 1550.
When the United States gained independence in 1783, the seacoast defense fortifications were in poor condition. Concerned by the outbreak of war in Europe in 1793, the Congress created a combined unit of "Artillerists and Engineers" to design, build, and garrison forts in 1794, appointed a committee to study coast defense needs, and appropriated money to construct a number of fortifications ...
The Device Forts, also known as Henrician castles and blockhouses, were a series of artillery fortifications built to defend the coast of England and Wales by Henry VIII. [a] Traditionally, the Crown had left coastal defences in the hands of local lords and communities but the threat of French and Spanish invasion led the King to issue an order, called a "device", for a major programme of work ...
It was designed for a fixed mounting and remained in service, primarily at Coast Artillery installations, through World War II. It was determined that the weapon was too heavy and had too much recoil for mobile mountings, so a new weapon based on the barrel of the lighter and less powerful 3-inch gun M1898 was developed, designated the 3-inch ...
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An example of a modern seawall in Ventnor on the Isle of Wight, England People socializing and walking at the Malecón, Havana Seawall at Urangan, Queensland. A seawall (or sea wall) is a form of coastal defense constructed where the sea, and associated coastal processes, impact directly upon the landforms of the coast.