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Navy Lighterage Pontoons
The Navy Lighterage pontoon (NLP) was a type of pontoon developed in World War II by Capt. John N. Laycock Civil Engineer Corps (CEC) and used by United States Navy Construction Battalions (Seabees) on invasion beaches and shallow harbors or harbors where the facilities had been destroyed or did not exist. It was referred to as the Seabee's "magic box". It used a Lego-like system of pre-cut pre-drilled angle iron and steel plate and was first assembled into individual boxes that were joined in multiples to construct docks, causeways, barges, dry docks, floating cranes, marine railways or whatever was needed. Capt. Carl A. Carlson CEC of the War Plans Office came up with the concept of NLPs in 1935,Captain John N. Laycock , NHHC, U.S.Navy Seabee Museum website, Feb. 2020, Port Hueneme, C/ref> but it was in 1940 that the US Navy looked at the idea more seriously. Development, with testing, began just before the US entered World War II. The Dieppe Raid in early 1942 showed tha ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Capt
Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader or highest rank officer of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police department, election precinct, etc. In militaries, the captain is typically at the level of an officer commanding a company or battalion of infantry, a ship, or a battery of artillery, or another distinct unit. It can also be a rank of command in an air force. The term also may be used as an informal or honorary title for persons in similar commanding roles. Etymology The word "captain" derives from the Middle English "capitane", itself coming from the Latin "caput", meaning "head". It is considered cognate with the Greek word (, , or "the topmost"), which was used as title for a senior Byzantine military rank and office. The word was Latinized as . Both ultimately derive from the Proto-Indo-European "*kaput", also meaning head. Occupations ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Crane Vessel
A crane vessel, crane ship, crane barge, or floating crane is a ship with a crane specialized in lifting heavy loads, typically exceeding for modern ships. The largest crane vessels are used for offshore construction. The cranes are fitted to conventional monohulls and barges, but the largest crane vessels are often catamaran or semi-submersible types which provide enhanced stability and reduced platform motion. Many crane vessels are fitted with one or more rotating cranes. Some of the largest crane vessels use fixed sheerlegs instead; in these designs, the crane cannot rotate relative to the ship, and the vessel must be manoeuvered to place loads. Other vessels use large gantry cranes and straddle the load. Types There are several major configurations of crane vessel, usually with overlapping ranges of functionality, but each has at least one major advantage over the others in some circumstances, and consequently all these arrangements coexist. Crane ships Conventional se ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amphibious Warfare
Amphibious warfare is a type of offensive military operation that today uses naval ships to project ground and air power onto a hostile or potentially hostile shore at a designated landing beach. Through history the operations were conducted using ship's boats as the primary method of delivering troops to shore. Since the Gallipoli Campaign, specialised watercraft were increasingly designed for landing troops, material and vehicles, including by landing craft and for insertion of commandos, by fast patrol boats, zodiacs (rigid inflatable boats) and from mini-submersibles. The term ''amphibious'' first emerged in the United Kingdom and the United States during the 1930s with introduction of vehicles such as Vickers-Carden-Loyd Light Amphibious Tank or the Landing Vehicle Tracked.The first LVT prototypes were named '' Alligator'' and '' Crocodile'', though neither species is actual amphibian Amphibious warfare includes operations defined by their type, purpose, sca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coastal Construction
A coast (coastline, shoreline, seashore) is the land next to the sea or the line that forms the boundary between the land and the ocean or a lake. Coasts are influenced by the topography of the surrounding landscape and by aquatic erosion, such as that caused by wind wave, waves. The geology, geological composition of rock (geology), rock and soil dictates the type of shore that is created. Earth has about of coastline. Coasts are important zones in natural ecosystems, often home to a wide range of biodiversity. On land, they harbor ecosystems, such as freshwater marsh, freshwater or estuary, estuarine wetlands, that are important for birds and other terrestrial animals. In wave-protected areas, coasts harbor salt marshes, mangroves, and seagrass meadow, seagrasses, all of which can provide nursery habitat for finfish, shellfish, and other aquatic animals. Rocky shores are usually found along exposed coasts and provide habitat for a wide range of sessility (motility), sessile ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pontoon Bridges In The United States
Pontoon may refer to: Buoyant devices * Float (nautical), an air-filled structure providing buoyancy * Any of various objects that float on pontoons, including: ** Pontoon (boat), a flat-bottomed boat supported by two or more pontoons ** Floatplane, also known as a pontoon plane ** Floating dock (jetty), a platform supported by pontoons ** Pontoon bridge, a bridge supported by shallow draft open boats or encased floats Entertainment and media *Pontoon (card game), a mainly British card game similar to blackjack (also known as vingt-et-un or 21) **Malaysian Pontoon, the variant of pontoon popular in Australian/Malaysian casinos * "Pontoon" (song), a song by Little Big Town *'' Pontoon: A Novel of Lake Wobegon'', a 2007 book by Garrison Keillor Other uses * Ponton (automobile) Ponton or pontoon styling is an automotive design genre that spanned roughly from the 1930s-1960s, when pontoon-like bodywork enclosed the full width and uninterrupted length of a car body — elimina ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Military Bridging Equipment
A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. Militaries are typically authorized and maintained by a sovereign state, with their members identifiable by a distinct military uniform. They may consist of one or more military branches such as an army, navy, air force, space force, marines, or coast guard. The main task of a military is usually defined as defence of their state and its interests against external armed threats. In broad usage, the terms "armed forces" and "military" are often synonymous, although in technical usage a distinction is sometimes made in which a country's armed forces may include other paramilitary forces such as armed police. Beyond warfare, the military may be employed in additional sanctioned and non-sanctioned functions within the state, including internal security threats, crowd control, promotion of political agendas, emergency services and reconstruction, pro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
World War II Military Equipment Of The United States
The world is the totality of entities, the whole of reality, or everything that exists. The nature of the world has been conceptualized differently in different fields. Some conceptions see the world as unique, while others talk of a "plurality of worlds". Some treat the world as one simple object, while others analyze the world as a complex made up of parts. In scientific cosmology, the world or universe is commonly defined as "the totality of all space and time; all that is, has been, and will be". Theories of modality talk of possible worlds as complete and consistent ways how things could have been. Phenomenology, starting from the horizon of co-given objects present in the periphery of every experience, defines the world as the biggest horizon, or the "horizon of all horizons". In philosophy of mind, the world is contrasted with the mind as that which is represented by the mind. Theology conceptualizes the world in relation to God, for example, as God's creation, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhino Ferry
A rhino ferry is a barge constructed from several pontoons which are connected and equipped with outboard engines, used to transport people and heavy equipment. Rhino ferries were used extensively during the Normandy landings and other theaters (Attu, Africa, Sicily, Italy); their low draft was well-suited for shallow beaches, and they could also be used as piers when filled with water. An alternative to tank landing craft, they were operated by United States Navy Construction Battalions. They ferried their cargo from the outlying Landing Ships, Tank to the shore. For the Normandy invasion, components were shipped from the US. Initial construction in the UK was by the USN Construction battalions. Rhinos (and causeways, which used the same components) were also assembled by British Army Royal Engineers The Corps of Royal Engineers, usually called the Royal Engineers (RE), and commonly known as the ''Sappers'', is the engineering arm of the British Army. It provides milita ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bow (ship)
The bow () is the forward part of the hull of a ship or boat, the point that is usually most forward when the vessel is underway. The aft end of the boat is the stern. Prow may be used as a synonym for bow or it may mean the forward-most part of the bow above the waterline. Function A ship's bow should be designed to enable the hull to pass efficiently through the water. Bow shapes vary according to the speed of the boat, the seas or waterways being navigated, and the vessel's function. Where sea conditions are likely to promote pitching, it is useful if the bow provides reserve buoyancy; a flared bow (a raked stem with flared topsides) is ideal to reduce the amount of water shipped over the bow. Ideally, the bow should reduce the resistance and should be tall enough to prevent water from regularly washing over the top of it. Large commercial barges on inland waterways rarely meet big waves and may have remarkably little freeboard at the bow, whereas fast military ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dieppe Raid
Operation Jubilee or the Dieppe Raid (19 August 1942) was a disastrous Allied amphibious attack on the German-occupied port of Dieppe in northern France, during the Second World War. Over 6,050 infantry, predominantly Canadian, supported by a regiment of tanks, were put ashore from a naval force operating under the protection of Royal Air Force (RAF) fighters. The port was to be captured and held for a short period, to test the feasibility of a landing and to gather intelligence. German coastal defences, port structures and important buildings were to be demolished. The raid was intended to boost Allied morale, to demonstrate the commitment of the United Kingdom to re-open the Western Front, and to support the Soviet Union, which was fighting on the Eastern Front. The made a maximum effort against the landing as the RAF had expected, and the RAF lost 106 aircraft (at least 32 to anti-aircraft fire or accidents) against 48 German losses. The Royal Navy lost 33 landing craft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Marine Railway
A patent slip or marine railway is an inclined plane extending from shoreline into water, featuring a "cradle" onto which a ship is first floated, and a mechanism to haul the ship, attached to the cradle, out of the water onto a slip. The marine railway was invented by a Scot, Thomas Morton, in the early 19th century, as a cheaper alternative to dry docks for marine vessel repairs, in particular below waterline. Larger modern marine railways can handle vessels of thousands of tons. History Invented by shipwright Thomas Morton in 1818, the marine railway offered an alternative to the expensive and time-consuming process of dry docking a ship to perform maintenance or repairs to its hull below waterline. The means and mechanisms over time became various, but always include a "cradle" onto which the ship is floated, and a mechanical mechanism for transferring the ship from water to land up an incline. The destination where work was performed was termed the slip. Thomas Morton p ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dry Docks
Dry or dryness most often refers to: * Rain#Deserts, Lack of rainfall, which may refer to **Arid regions **Drought * Dry or dry area, relating to legal prohibition of selling, serving, or imbibing alcoholic beverages * Dry humor, deadpan * Dryness (medical) * Dryness (taste), the lack of sugar in a drink, especially an alcoholic one * Dry direct sound without reverberation Dry or DRY may also refer to: Places * Dry Brook (other), various rivers * Dry Creek (other), various rivers and towns * Dry, Loiret, a commune of the Loiret ''département'' in France * Dry River (other), various rivers and towns Art, entertainment, and media Film and television * Dry (2014 film), ''Dry'' (2014 film), a Nigerian film directed by Stephanie Linus * Dry (2022 film), ''Dry'' (2022 film), an Italian film directed by Paolo Virzì * The Dry (film), ''The Dry'' (film), a 2020 film directed by Robert Connolly and based on the novel by Jane Harper ** ''Force of Nature: The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
