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HMS Enchantress (L56)
HMS ''Enchantress'' (L56) was a sloop, built for the British Royal Navy. She was the lead ship of her class, being laid down as ''Bittern'', but renamed as ''Enchantress'' before being launched by Lady Jean Alice Elaine Cochrane. She was active during the Second World War, serving mainly as a convoy escort, and was a successful anti-submarine warfare vessel, being credited with the destruction of an Italian submarine in 1942. Construction Laid down as ''Bittern'' on 9 March 1934 by John Brown of Clydebank, this ship, the first of her class, was one of a series of general purpose vessels that could be employed as escorts in time of war. She was intended for use as an Admiralty yacht, and renamed ''Enchantress'' (taking the name of the previous vessel in this role) before launching on 21 October 1934. She completed on 4 April 1935 and commissioned four days later.G Masonnavalhistory.net/ref> Service history At the outbreak of hostilities in September 1939 ''Enchantress'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
John Brown & Company
John Brown and Company of Clydebank was a Scottish Naval architecture, marine engineering and shipbuilding firm. It built many notable and world-famous ships including , , , , , and the ''Queen Elizabeth 2 (ship), Queen Elizabeth 2''. At its height, from 1900 to the 1950s, it was one of the most highly regarded, and internationally famous, shipbuilding companies in the world. However thereafter, along with other UK shipbuilders, John Brown's found it increasingly difficult to compete with the emerging shipyards in Eastern Europe and the far East. In 1968 John Brown's merged with other Clydeside shipyards to form the Upper Clyde Shipbuilders consortium, but that collapsed in 1971. The company then withdrew from shipbuilding but its engineering arm remained successful in the manufacture of industrial gas turbines. In 1986 it became a wholly owned subsidiary of Trafalgar House (company), Trafalgar House, which in 1996 was taken over by Kvaerner. The latter closed the Clydebank en ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Battle Of The Atlantic
The Battle of the Atlantic, the longest continuous military campaign in World War II, ran from 1939 to the defeat of Nazi Germany in 1945, covering a major part of the naval history of World War II. At its core was the Allied naval blockade of Germany, announced the day after the declaration of war, and Germany's subsequent counter-blockade. The campaign peaked from mid-1940 through to the end of 1943. The Battle of the Atlantic pitted U-boats and other warships of the German '' Kriegsmarine'' (Navy) and aircraft of the ''Luftwaffe'' (Air Force) against the Royal Navy, Royal Canadian Navy, United States Navy, and Allied merchant shipping. Convoys, coming mainly from North America and predominantly going to the United Kingdom and the Soviet Union, were protected for the most part by the British and Canadian navies and air forces. These forces were aided by ships and aircraft of the United States beginning September 13, 1941. Carney, Robert B., Admiral, USN. "Comment and Discu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mediterranean Sea
The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the east by the Levant. The Sea has played a central role in the history of Western civilization. Geological evidence indicates that around 5.9 million years ago, the Mediterranean was cut off from the Atlantic and was partly or completely desiccated over a period of some 600,000 years during the Messinian salinity crisis before being refilled by the Zanclean flood about 5.3 million years ago. The Mediterranean Sea covers an area of about , representing 0.7% of the global ocean surface, but its connection to the Atlantic via the Strait of Gibraltar—the narrow strait that connects the Atlantic Ocean to the Mediterranean Sea and separates the Iberian Peninsula in Europe from Morocco in Africa—is only wide. The Mediterranean Sea e ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Perla-class Submarine
The ''Perla''-class submarines were the third sub-class of the 600 Series of coastal submarines built for the Royal Italian Navy (''Regia Marina'') during the 1930s and named after gemstones. Of the ten boats built of this class, only three survived World War II. Design and description The ''Perla''-class submarines were essentially repeats of the preceding . The modifications that were made compared to the boats of the previous series were mostly of upgrade nature. Among them were enlargement of the false tower at the top, more modern engines, installation of a radiogoniometer that could be controlled from inside the ship. Improvements and the installation of new air conditioning equipment meant a slight increase in displacement, and increase in the fuel stowage also increased the autonomy of these boats compared to the previous series. Their designed full load displacement was surfaced and submerged, but varied somewhat depending on the boat and the builder. The submarines w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Italian Submarine Corallo
Italian submarine ''Corallo'' was a built for the Royal Italian Navy (''Regia Marina'') during the 1930s. She was named after a gemstone Coral. Design and description The ''Perla''-class submarines were essentially repeats of the preceding . The modifications that were made compared to the boats of the previous series were mostly of upgrade nature. Among them were enlargement of the false tower at the top, more modern engines, installation of a radiogoniometer that could be controlled from inside the ship. Improvements and the installation of new air conditioning equipment meant a slight increase in displacement, and increase in the fuel stowage also increased the autonomy of these boats compared to the previous series.Pollina, p.155 Their designed full load displacement was surfaced and submerged, but varied somewhat depending on the boat and the builder. The submarines were long, had a beam of and a draft of to .Bagnasco, p. 153Pollina, pp.152-153 For surface running, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Battle Of The Mediterranean
The Battle of the Mediterranean was the name given to the naval campaign fought in the Mediterranean Sea during World War II, from 10 June 1940 to 2 May 1945. For the most part, the campaign was fought between the Italian Royal Navy (''Regia Marina''), supported by other Axis naval and air forces, and the British Royal Navy, supported by other Allied naval forces, such as Australia, the Netherlands, Poland and Greece. American naval and air units joined the Allied side in 1942. Each side had three overall objectives in this battle. The first was to attack the supply lines of the other side. The second was to keep open the supply lines to their own armies in North Africa. The third was to destroy the ability of the opposing navy to wage war at sea. Outside of the Pacific theatre, the Mediterranean saw the largest conventional naval warfare actions during the conflict. In particular, Allied forces struggled to supply and retain the key naval and air base of Malta. By the time o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
VJ Day
Victory over Japan Day (also known as V-J Day, Victory in the Pacific Day, or V-P Day) is the day on which Imperial Japan surrendered in World War II, in effect bringing the war to an end. The term has been applied to both of the days on which the initial announcement of Japan's surrender was made – 15 August 1945, in Japan, and because of time zone differences, 14 August 1945 (when it was announced in the United States and the rest of the Americas and Eastern Pacific Islands) – as well as to 2 September 1945, when the surrender document was signed, officially ending World War II. 15 August is the official V-J Day for the United Kingdom, while the official US commemoration is 2 September. The name, V-J Day, had been selected by the Allies after they named V-E Day for the victory in Europe. On 2 September 1945, formal surrender occurred aboard the battleship USS ''Missouri'' in Tokyo Bay. In Japan, 15 August usually is known as the ; the official name for the day, h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British Pacific Fleet
The British Pacific Fleet (BPF) was a Royal Navy formation that saw action against Japan during the Second World War. The fleet was composed of empire naval vessels. The BPF formally came into being on 22 November 1944 from the remaining ships of the former Eastern Fleet then being re-named the East Indies Fleet and continuing to be based in Trincomalee. The British Pacific Fleet's main base was at Sydney, Australia, with a forward base at Manus Island in northern Papua New Guinea. One of the largest fleets ever assembled by the Royal Navy, by Victory over Japan Day (VJ Day) it consisted of over two hundred ships and submarines and more than 750 aircraft; including four battleships and six fleet aircraft carriers, fifteen smaller aircraft carriers, eleven cruisers and numerous smaller warships, submarines, and support vessels. The fleet took part in the Battle of Okinawa and the final naval strikes on Japan. Background Following their retreat to the western side of the India ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pacific
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continents of Asia and Oceania in the west and the Americas in the east. At in area (as defined with a southern Antarctic border), this largest division of the World Ocean—and, in turn, the hydrosphere—covers about 46% of Earth's water surface and about 32% of its total surface area, larger than Earth's entire land area combined .Pacific Ocean . '' Britannica Concise.'' 2008: Encyclopædia Britannica, Inc. The centers of both the |
Operation Torch
Operation Torch (8 November 1942 – Run for Tunis, 16 November 1942) was an Allies of World War II, Allied invasion of French North Africa during the Second World War. Torch was a compromise operation that met the British objective of securing victory in North Africa while allowing American armed forces the opportunity to engage in the fight against Nazi Germany on a limited scale. It was the first mass involvement of US troops in the Mediterranean and Middle East theatre of World War II, European–North African Theatre, and saw the first major airborne assault carried out by the United States. While the French colonies were formally aligned with Germany via Vichy France, the loyalties of the population were mixed. Reports indicated that they might support the Allies. American General Dwight D. Eisenhower, supreme commander of the Allied forces in Mediterranean Theater of Operations, planned a three-pronged attack on Casablanca (Western), Oran (Center) and Algiers (Easter ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
HF/DF
High-frequency direction finding, usually known by its abbreviation HF/DF or nickname huff-duff, is a type of radio direction finder (RDF) introduced in World War II. High frequency (HF) refers to a radio band that can effectively communicate over long distances; for example, between U-boats and their land-based headquarters. HF/DF was primarily used to catch enemy radios while they transmitted, although it was also used to locate friendly aircraft as a navigation aid. The basic technique remains in use to this day as one of the fundamental disciplines of signals intelligence, although typically incorporated into a larger suite of radio systems and radars instead of being a stand-alone system. Earlier systems used a mechanically rotated antenna or solenoid and an operator listening for peaks or nulls in the signal, which often took considerable time to determine the bearing on the order of a minute or more. Later systems used a set of antennas to receive the same signal in slightly ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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