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HMCS Onondaga (S73)
HMCS ''Onondaga'' (S73) is an that served in the Royal Canadian Navy and later the Canadian Forces. Built in the mid-1960s, ''Onondaga'' operated primarily with the Maritime Forces Atlantic until her decommissioning in 2000 as the last Canadian ''Oberon''. Several plans for the disposal of the submarine were made and cancelled before the Site historique maritime de la Pointe-au-Père in Rimouski purchased the boat for preservation as a museum vessel. The submarine was moved into location during 2008, and is open to the public. Design and construction The ''Oberon'' class were considered an improved version of the preceding ''Porpoise''-class submarines, with a different frame of the pressure hullCocker, p. 108 and constructed from a better grade of steel.Brown, p. 285Gardiner and Chumbley, p. 530 These build differences allowed the ''Oberon''s to have a deeper diving depth at roughly . The submarines displaced surfaced and submerged. They measured long with a beam of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Onondaga (tribe)
The Onondaga people (Onondaga: , ''Hill Place people'') are one of the original five constituent nations of the Iroquois (''Haudenosaunee'') Confederacy in northeast North America. Their traditional homeland is in and around present-day Onondaga County, New York, south of Lake Ontario. They are known as ''Gana’dagwëni:io’geh'' to the other Iroquois tribes. Being centrally located, they are considered the "Keepers of the Fire" (''’'' in Tuscarora) in the figurative longhouse that shelters the Five Nations. The Cayuga and Seneca have territory to their west and the Oneida and Mohawk to their east. For this reason, the League of the Iroquois historically met at the Iroquois government's capital at Onondaga, as the traditional chiefs do today. In the United States, the home of the Onondaga Nation is the Onondaga Reservation. Onondaga peoples also live near Brantford, Ontario on Six Nations territory. This reserve used to be Haudenosaunee hunting grounds, but much of the Confe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Beam (nautical)
The beam of a ship is its width at its widest point. The maximum beam (BMAX) is the distance between planes passing through the outer extremities of the ship, beam of the hull (BH) only includes permanently fixed parts of the hull, and beam at waterline (BWL) is the maximum width where the hull intersects the surface of the water. Generally speaking, the wider the beam of a ship (or boat), the more initial stability it has, at the expense of secondary stability in the event of a capsize, where more energy is required to right the vessel from its inverted position. A ship that heels on her ''beam ends'' has her deck beams nearly vertical. Typical values Typical length-to-beam ratios ( aspect ratios) for small sailboats are from 2:1 (dinghies to trailerable sailboats around ) to 5:1 (racing sailboats over ). Large ships have widely varying beam ratios, some as large as 20:1. Rowing shells designed for flatwater racing may have length to beam ratios as high as 30:1, while a cor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Douglas Harkness
Douglas Scott Harkness, (March 29, 1903 – May 2, 1999) was a Canadian politician. Early life and military service He was born in Toronto, Ontario, and moved to Calgary, Alberta in 1929. He graduated from the University of Alberta, then farmed and taught school in the vicinity of Red Deer. He taught at Crescent Heights High School until 1939. He fought during the Second World War from 1940 to 1945, serving in the European theater of war. He was posted to Great Britain, Sicily, Italy and Northwest Europe. In 1943 was awarded the George Medal "in recognition of conspicuous gallantry in carrying out hazardous work in a very brave manner". Harkness was aboard a troopship when it was torpedoed transiting from Sicily to England. Harkness was awarded the medal for his organization of the abandonment of the ship. In 1945, Harkness was the commanding officer of the 5th Anti-Tank Regiment of the 4th Armoured Division. After returning from the war, Harkness returned to farming, residi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Minister Of National Defence (Canada)
The minister of national defence (MND; french: ministre de la défense nationale) is a minister of the Crown in the Cabinet of Canada responsible for the management and direction of all matters relating to the national defence of Canada. The Department of National Defence is headed by the deputy minister of national defence (the department's senior civil servant), while the Canadian Armed Forces are headed by the chief of the defence staff (the senior serving military officer). Both are responsible to the minister of national defence. The King (represented by the governor general of Canada) is Commander-in-Chief of the Canadian Forces and has final authority on all orders and laws for the "defence of the realm". The minister is responsible, through the tenets of responsible government, to Parliament for "the management and direction of the Canadian Forces". Any orders and instructions for the Canadian Armed Forces are issued by or through the chief of the defence staff. The ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
House Of Commons Of Canada
The House of Commons of Canada (french: Chambre des communes du Canada) is the lower house of the Parliament of Canada. Together with the Crown and the Senate of Canada, they comprise the bicameral legislature of Canada. The House of Commons is a democratically elected body whose members are known as members of Parliament (MPs). There have been 338 MPs since the most recent electoral district redistribution for the 2015 federal election, which saw the addition of 30 seats. Members are elected by simple plurality ("first-past-the-post" system) in each of the country's electoral districts, which are colloquially known as ''ridings''. MPs may hold office until Parliament is dissolved and serve for constitutionally limited terms of up to five years after an election. Historically, however, terms have ended before their expiry and the sitting government has typically dissolved parliament within four years of an election according to a long-standing convention. In any case, an ac ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cabinet Of Canada
The Cabinet of Canada (french: Cabinet du Canada) is a body of Minister of the Crown, ministers of the Crown that, along with the Canadian monarch, and within the tenets of the Westminster system, forms the government of Canada. Chaired by the Prime Minister of Canada, prime minister, the Cabinet (government), Cabinet is a committee of the King's Privy Council for Canada and the senior echelon of the Ministry (collective executive), Ministry, the membership of the Cabinet and ministry often being co-terminal; there were no members of the latter who were not also members of the former. For practical reasons, the Cabinet is informally referred to either in relation to the prime minister in charge of it or the number of ministries since Canadian Confederation, Confederation. The current cabinet is the Cabinet of Justin Trudeau, which is part of the 29th Canadian Ministry, 29th Ministry. The interchangeable use of the terms ''cabinet'' and '' ministry'' is a subtle inaccuracy that ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mark 48 Torpedo
The Mark 48 and its improved Advanced Capability (ADCAP) variant are American heavyweight submarine-launched torpedoes. They were designed to sink deep-diving nuclear-powered submarines and high-performance surface ships. History The Mark 48 was initially developed as REsearch TORpedo Concept II (RETORC II), one of several weapons recommended for implementation by Project Nobska, a 1956 summer study on submarine warfare. The Mk-48 torpedo was designed at the end of the 1960s to keep up with the advances in Soviet submarine technology. Operational since 1972, it replaced the Mk-37, Mk-14 and Mk-16 torpedoes as the principal weapon of U.S. Navy submarines. With the entry into service of the new Soviet in 1977, the decision was made to accelerate the ADCAP program, which would bring significant modifications to the torpedo. Tests were run to ensure that the weapon could keep up with the developments and the weapon was modified with improved acoustics and electronics. The new ve ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
NATO
The North Atlantic Treaty Organization (NATO, ; french: Organisation du traité de l'Atlantique nord, ), also called the North Atlantic Alliance, is an intergovernmental military alliance between 30 member states – 28 European and two North American. Established in the aftermath of World War II, the organization implemented the North Atlantic Treaty, signed in Washington, D.C., on 4 April 1949. NATO is a collective security system: its independent member states agree to defend each other against attacks by third parties. During the Cold War, NATO operated as a check on the perceived threat posed by the Soviet Union. The alliance remained in place after the dissolution of the Soviet Union and has been involved in military operations in the Balkans, the Middle East, South Asia, and Africa. The organization's motto is ''animus in consulendo liber'' (Latin for "a mind unfettered in deliberation"). NATO's main headquarters are located in Brussels, Belgium, while NATO ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sonar
Sonar (sound navigation and ranging or sonic navigation and ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigation, navigate, measure distances (ranging), communicate with or detect objects on or under the surface of the water, such as other vessels. "Sonar" can refer to one of two types of technology: ''passive'' sonar means listening for the sound made by vessels; ''active'' sonar means emitting pulses of sounds and listening for echoes. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water. Acoustic location in air was used before the introduction of radar. Sonar may also be used for robot navigation, and SODAR (an upward-looking in-air sonar) is used for atmospheric investigations. The term ''sonar'' is also used for the equipment used to generate and receive the sound. The acoustic frequencies used in sonar systems vary from very low (infrasonic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mark 37 Torpedo
The Mark 37 torpedo is a torpedo with electrical propulsion, developed for the US Navy after World War II. It entered service with the US Navy in the early 1950s, with over 3,300 produced. It was phased out of service key with the US Navy during the 1970s, and the stockpiles were sold to foreign navies. Development Its engineering development began in 1946 by Westinghouse. It was largely based on the concept of the passive homing Mark 27, with added active homing system tested on modified Mark 18s, and a new torpedo body. Between 1955–56, thirty torpedoes were produced for development testing, with large-scale production commenced shortly afterwards. Due to its electric propulsion, the torpedo swam smoothly out of the launch tube, instead of having to be ejected by pressurized air, therefore significantly reducing its acoustic launch signature. To allow for water flow around the torpedo while swimming out, several 1" thick guide studs were attached to the torpedo, which alth ... [...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] |
Torpedo Tube
A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboard surface vessels. Deck-mounted torpedo launchers are usually designed for a specific type of torpedo, while submarine torpedo tubes are general-purpose launchers, and are often also capable of deploying naval mine, mines and cruise missiles. Most modern launchers are standardized on a diameter for light torpedoes (deck mounted aboard ship) or a diameter for heavy torpedoes (underwater tubes), although other sizes of torpedo tube have been used: see Torpedo#Classes and diameters, Torpedo classes and diameters. Submarine torpedo tube A submarine torpedo tube is a more complex mechanism than a torpedo tube on a surface ship, because the tube has to accomplish the function of moving the torpedo from the normal atmospheric pressure within t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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