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JS Akizuki
JS ''Akizuki'' (DD-115) is the lead ship of Akizuki-class destroyers. She was commissioned on 14 March 2012. Construction and career ''Akizuki'' was laid down at Mitsubishi Heavy Industries Nagasaki Shipyard & Machinery Works on July 17, 2009 as the 2007 plan 5,000-ton type escort ship No. 2244 based on the medium-term defense capability development plan, launched and named on October 13, 2010. Launch, the public trial started on July 28, 2011, commissioned on March 14, 2012, and was incorporated into the 5th escort group of the 1st escort group. The fixed port is Sasebo base. On July 5, 2015, as the 22nd dispatched anti-piracy action surface corps, sailed from Sasebo base to the Gulf of Aden off the coast of Somalia with JS Sawagiri.https://www.mod.go.jp/js/Press/press2015/press_pdf/p20150622_03.pdf On April 18, 2021, she departed from Sasebo base as the 5th dispatch information gathering activity water squadron. In addition to conducting PCR tests on all crew membe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Akizuki-class Destroyer (2010)
The ''Akizuki'' class of destroyers of the Japan Maritime Self-Defense Force is intended to escort the and helicopter destroyers, and safeguard the other Aegis-capable warships such as the and . The destroyer provides defense against surface, airborne and undersea threats. The class was initially designated as "19DD", referring to a date on the Japanese calendar, specifically the 19th fiscal year of the Heisei period (2007). Design The hull structure was based on the one of the Takanami-class destroyers. There are many small improvements, such as cleaner lines to reduce the radar signature and decoys for torpedoes; but the principal changes can be summed up as more powerful engines, sensors, sonar and the indigenous ATECS battle management system that has been called the ''Japanese AEGIS''. The main gas turbine engines are standardized on a higher-powered version of the Rolls-Royce Spey SM1C, in contrast to the combination of Rolls-Royce SM1C and General Electric LM2500 turb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
JDS Akizuki
JDS ''Akizuki'' (DD-161) was the lead ship of the destroyer. The vessel was laid down in 1958 and served as a front line warship with the Japan Maritime Self-Defense Force until 1987, and as an auxiliary until 1993. Development and design ''Teruzuki'' was one of two ''Akizuki''-class destroyers ordered in 1957 by the United States for Japan as part of a Mutual Defense Assistance Act, military aid package. Although the two destroyers were paid for by the United States, and therefore had hull numbers under the US Navy designation scheme, with ''Teruzuki'' having the hull number DD-960, they were built in Japanese shipyards to local designs. The two destroyers were equipped as flotilla leaders, and had the same main gun armament of three American 5"/54 caliber Mark 16 gun, 5-inch (127 mm)/54 caliber guns as used in the previous , with four 3"/50 caliber gun, 3-inch (76 mm) anti-aircraft guns in two twin mounts. Anti-submarine armament consisted of a Weapon Alpha anti-submarine r ... [...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] |
Anti-piracy Measures In Somalia
Piracy in Somalia has been a threat to international shipping since the beginning of the country's civil war in the early 1990s. Since 2005, many international organizations have expressed concern over the rise in acts of piracy. Piracy impeded the delivery of shipments and increased shipping expenses, costing an estimated $6.6 to $6.9 billion a year in global trade in 2011 according to Oceans Beyond Piracy (OBP). According to the German Institute for Economic Research (DIW), a veritable industry of profiteers also arose around the piracy. Insurance companies significantly increased their profits from the pirate attacks, as the firms hiked rate premiums in response. Since 2013, piracy attacks have decreased in the region due mostly to patrolling by the navies of countries across the world, especially India, China and EU Navfor Operation Atalanta (a joint operation of numerous European navies). Anti-piracy measures in historical perspective Even so, governments and organi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sasebo Naval Arsenal
was one of four principal naval shipyards owned and operated by the Imperial Japanese Navy. History The Sasebo Naval District was established at Sasebo, Nagasaki in 1886, as the third of the naval districts responsible for the defense of the Japanese home islands. After the establishment of the navy base, a ship repair facility was established in 1889 with a dry dock. With the addition of equipment and facilities for ship production by 1897, the "Sasebo Shipyards" were officially established, and renamed the "Sasebo Naval Arsenal" in 1903. Construction of the arsenal was supervised by the French engineer Louis-Émile Bertin. In 1913, a 250-ton crane was installed, and the shipbuilding facilities expanded to permit the construction of large warships. With the mothballing of the Maizuru Naval Arsenal due to restrictions by the Washington Naval Treaty, much of the design and prototype work for new classes of destroyers and torpedo boats formerly done at Maizuru was shifted to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Commissioned (ship)
Ship commissioning is the act or ceremony of placing a ship in active service and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to placing a warship in active duty with its country's military forces. The ceremonies involved are often rooted in centuries-old naval tradition. Ship naming and launching endow a ship hull with her identity, but many milestones remain before she is completed and considered ready to be designated a commissioned ship. The engineering plant, weapon and electronic systems, galley, and other equipment required to transform the new hull into an operating and habitable warship are installed and tested. The prospective commanding officer, ship's officers, the petty officers, and seamen who will form the crew report for training and familiarization with their new ship. Before commissioning, the new ship undergoes sea trials to identify any deficiencies needing correct ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ceremonial Ship Launching
Ceremonial ship launching involves the performance of ceremonies associated with the process of transferring a vessel to the water. It is a nautical tradition in many cultures, dating back thousands of years, to accompany the physical process with ceremonies which have been observed as public celebration and a solemn blessing, usually but not always, in association with the launch itself. Ship launching imposes stresses on the ship not met during normal operation and, in addition to the size and weight of the vessel, represents a considerable engineering challenge as well as a public spectacle. The process also involves many traditions intended to invite good luck, such as christening by breaking a sacrificial bottle of champagne over the bow as the ship is named aloud and launched. Methods There are three principal methods of conveying a new ship from building site to water, only two of which are called "launching". The oldest, most familiar, and most widely used is th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Keel Laying
Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one of the four specially celebrated events in the life of a ship; the others are launching, commissioning and decommissioning. In earlier times, the event recognized as the keel laying was the initial placement of the central timber making up the backbone of a vessel, called the keel. As steel ships replaced wooden ones, the central timber gave way to a central steel beam. Modern ships are most commonly built in a series of pre-fabricated, complete hull sections rather than around a single keel. The event recognized as the keel laying is the first joining of modular components, or the lowering of the first module into place in the building dock. It is now often called "keel authentication", and is the ceremonial beginning of the ship's life ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lead Ship
The lead ship, name ship, or class leader is the first of a series or class of ships all constructed according to the same general design. The term is applicable to naval ships and large civilian vessels. Large ships are very complex and may take as many as five to ten years to build. Improvements based on experience with building and operating the lead ship are likely to be incorporated into the design or construction of later ships in the class, so it is rare to have vessels that are identical. The second and later ships are often started before the first one is completed, launched and tested. Nevertheless, building copies is still more efficient and cost-effective than building prototypes, and the lead ship will usually be followed by copies with some improvements rather than radically different versions. The improvements will sometimes be retrofitted to the lead ship. Occasionally, the lead ship will be launched and commissioned for shakedown testing before following ship ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitsubishi SH-60
The Mitsubishi H-60 series is twin-turboshaft engine helicopter based on the Sikorsky S-70 helicopter family for use by the Japan Self-Defense Forces (JSDF). The SH-60J/K/L are anti-submarine patrol versions for the Japan Maritime Self-Defense Force (JMSDF).Mitsubishi SH-60J . Mitsubishi Heavy Industries, Ltd. Retrieved: 10 December 2008 The UH-60J is a version for the (JASDF) and JMSDF. The UH-60JA is a utility version for the |
Type 07 Vertical Launch Anti-submarine Rocket
is a Japanese ship-launched anti-submarine missile. Description Since FY1991, the has started developing the range-extended version of ASROC to exploit the greater direct-path range of new low-frequency sonar (OQS-XX: later OQS-2x series). After that, following the end of the Cold War, it became a complete performance improvement version including not only simple range extension but also improvement in responsiveness. The missile is fired from Mk 41 vertical launching system and the maximum speed reaches supersonic. It is controlled by inertial guidance system which uses a thrust vector control. The maximum range is said to be over 30 kilometers. Operators ; :- :- :- See also * List of missiles by country#Japan * RUM-139 VL-ASROC * SMART Smart or SMART may refer to: Arts and entertainment * ''Smart'' (Hey! Say! JUMP album), 2014 * Smart (Hotels.com), former mascot of Hotels.com * ''Smart'' (Sleeper album), 1995 debut album by Sleeper * ''SMart'', a children's ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RUM-139 VL-ASROC
The RUM-139 VL-ASROC is an anti-submarine missile in the ASROC family, currently built by Lockheed Martin for the U.S. Navy. History Design and development of the missile began in 1983 when Goodyear Aerospace was contracted by the U.S. Navy to develop a ship-launched anti-submarine missile compatible with the new Mark 41 Vertical Launching System. The development of the VLS ASROC underwent many delays, and it was not deployed on any ships until 1993. During this development, Goodyear Aerospace was bought by Loral Corporation in 1986, and this defense division was in turn purchased by Lockheed Martin in 1995. The first VLS ASROC missile was an RUR-5 ASROC with an upgraded solid-fuel booster section and a digital guidance system. It carries a lightweight Mark 46 homing torpedo that is dropped from the rocket at a precalculated point on its trajectory, and then parachuted into the sea. Beginning in 1996, the missile was replaced by the newer RUM-139A and subsequently the RUM-139 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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