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Abukuma Class Destroyer Escort
The ''Abukuma''-class destroyer escort (or frigate) is the general-purpose destroyer escort of the Japan Maritime Self-Defense Force. It is the successor of the earlier . Design This class was planned to replace the earlier and possess both ASW capability as the successor of the and ASuW capability as the successor of the ''Yūbari'' class, but there are many enhancements as follows: Introduction of stealth technology This class is the first combatant ship of the JMSDF with stealth technology. Their superstructure has traditional vertical surfaces, but their hulls are angled to reduce their radar cross section. Electronic warfare This is the first destroyer escort class with the Naval Tactical Data System and OYQ-7 combat direction system. It is also the first destroyer escort class which has ECM capability with the OLT-3 jammer. Weapon systems The Short Range Air Defense system comprises the OPS-14 air-search radar, the OPS-28 surface search and target acquisition rada ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitsui Engineering & Shipbuilding
() is a Japanese company. It is listed on the Nikkei 225. Mitsui E&S is one of the companies of the Mitsui Group. Established in 1917 as the Shipbuilding Division of Mitsui & Co. with the first shipyard at Tamano. In 1937 the shipyards became a separate entity of Mitsui, Tama Shipyard. The company changed to Mitsui Shipbuilding & Engineering Co., Ltd in 1942 and finally to the current name in 1973. Facilities * Tamano Shipyard * Chiba Shipyard * Oita Factory * Yura Dockyard (MES Yura Inc) * Niigata Shipyard - acquired from Niigata Engineering Co. Ltd and renamed Niigata Shipbuilding & Repair, Inc. 2003 Ships Built by Mitsui Along with Abukuma class destroyer escort, Mitsui was contracted to build the Abukuma class destroyer escorts for the Japanese Maritime Self-Defense Force. They were built from 1988 to 1991. * 2 Ōsumi class LST - 4001 and 4002 * 1 Hiuchi class support ship - JS Hiuchi (AMS-4301) * Mitsui 56 series ships are a popular type of bulk carrier; , Mitsui had ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anti-submarine Warfare
Anti-submarine warfare (ASW, or in older form A/S) is a branch of underwater warfare that uses surface warships, aircraft, submarines, or other platforms, to find, track, and deter, damage, or destroy enemy submarines. Such operations are typically carried out to protect friendly shipping and coastal facilities from submarine attacks and to overcome blockades. Successful ASW operations typically involved a combination of sensor and weapon technologies, along with effective deployment strategies and sufficiently trained personnel. Typically, sophisticated sonar equipment is used for first detecting, then classifying, locating, and tracking a target submarine. Sensors are therefore a key element of ASW. Common weapons for attacking submarines include torpedoes and naval mines, which can both be launched from an array of air, surface, and underwater platforms. ASW capabilities are often considered of significant strategic importance, particularly following provocative instan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Naval Ship Classes In Service
The list of naval ship classes in service includes all combatant surface classes in service currently with navies or armed forces and auxiliaries in the world. Ships are grouped by type, and listed alphabetically within. For other vessels, see also: * List of submarine classes in service * List of auxiliary ship classes in service Aircraft carriers ; -class (Project 1143.5) aircraft carrier * Builders: (Black Sea Shipyard in Mykolaiv, present-day Ukraine) * Displacement: 57,700 tons * Aircraft: 17 fixed-wing aircraft and 24 helicopters * Armament: 12 × P-700 Granit SSM; 192 × Tor SAM; 8 × CADS-1 CIWS; 8 × AK-630; 2 × RBU-12000 * Powerplant: 8 boilers, 4 steam turbines (200,000 shp) * Speed: 32 knots * Range: 3,850 nmi at 32 knots * Ships in class: 2 * Operator: , * Commissioned: 1995 * Status: 2 in service ; -class aircraft carrier * Builders: * Type: Aircraft carrier * Displacement: 27,910 tons * Aircraft: 8 AV-8B Harrier II Plus, 12 EH101 helicop ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sasebo, Nagasaki
is a Core cities of Japan, core city located in Nagasaki Prefecture, Japan. It is also the second largest city in Nagasaki Prefecture, after its capital, Nagasaki. On 1 June 2019, the city had an estimated population of 247,739 and a population density of 581 persons per km2 (1,505 persons per square mile). The total area is . The city includes a part of Saikai National Park. Located in the southern part of the city is the Dutch-styled theme park ''Huis Ten Bosch (theme park), Huis Ten Bosch''. The island of Ukujima is also administered as part of Sasebo city. History The area of present-day Sasebo was a small fishing village under the control of nearby Hirado Domain until shortly after the start of the Meiji period. Imperial Japanese Navy Admiral Tōgō Heihachirō, when surveying the coasts of northwestern Kyūshū for the site of a navy base, selected his location based on its protected, deep-water harbor, geographic proximity to China and Korea, and the presence of nearby Coal ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maizuru
is a city in Kyoto Prefecture, Japan. , the city had an estimated population of 78,644 in 34817 households and a population density of 230 persons per km². The total area of the city is . Geography Maizuru is located in northern Kyoto Prefecture, facing scenic Maizuru Bay on the Sea of Japan to the north and Fukui Prefecture to the east. Neighboring municipalities Kyoto Prefecture * Ayabe * Miyazu *Fukuchiyama Fukui Prefecture * Takahama Climate Like Toyooka in Hyōgo Prefecture, Maizuru has a climate resembling the Hokuriku region rather than the rest of Kansai, though it is less wet than other Hokuriku towns during the late autumn and winter because its location on a deep inlet means the northerly winds driven by the Siberian High and Aleutian Low do not produce as much rain and/or snow. In the summer, however, Maizuru can be extremely oppressive as the intense radiation creates extreme humidity around the bay: on August 13, 1994 the town recorded a ''minimum'' temper ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cruiser
A cruiser is a type of warship. Modern cruisers are generally the largest ships in a fleet after aircraft carriers and amphibious assault ships, and can usually perform several roles. The term "cruiser", which has been in use for several hundred years, has changed its meaning over time. During the Age of Sail, the term ''cruising'' referred to certain kinds of missions—independent scouting, commerce protection, or raiding—fulfilled by frigates or sloops-of-war, which functioned as the ''cruising warships'' of a fleet. In the middle of the 19th century, ''cruiser'' came to be a classification of the ships intended for cruising distant waters, for commerce raiding, and for scouting for the battle fleet. Cruisers came in a wide variety of sizes, from the medium-sized protected cruiser to large armored cruisers that were nearly as big (although not as powerful or as well-armored) as a pre-dreadnought battleship. With the advent of the dreadnought battleship before World W ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RIM-116 Rolling Airframe Missile
The RIM-116 Rolling Airframe Missile (RAM) is a small, lightweight, infrared homing surface-to-air missile in use by the German, Japanese, Greek, Turkish, South Korean, Saudi Arabian, Egyptian, Mexican, UAE, and U.S. Navies. It was originally intended and used primarily as a point-defense weapon against anti-ship missiles. As its name indicates, RAM rolls as it flies. The missile must roll during flight because the RF tracking system uses a two-antenna interferometer that can measure phase interference of the electromagnetic wave in one plane only. The rolling interferometer permits the antennas to look at all planes of incoming energy. In addition, because the missile rolls, only one pair of steering canards is required. , it is the only U.S. Navy missile to operate in this manner. The Rolling Airframe Missiles, together with the Mk 49 Guided Missile Launching System (GMLS) and support equipment, make up the RAM Mk 31 Guided Missile Weapon System (GMWS). The Mk-144 Guided M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Missile
In military terminology, a missile is a guided airborne ranged weapon capable of self-propelled flight usually by a jet engine or rocket motor. Missiles are thus also called guided missiles or guided rockets (when a previously unguided rocket is made guided). Missiles have five system components: targeting, guidance system, flight system, engine and warhead. Missiles come in types adapted for different purposes: surface-to-surface and air-to-surface missiles (ballistic, cruise, anti-ship, anti-submarine, anti-tank, etc.), surface-to-air missiles (and anti-ballistic), air-to-air missiles, and anti-satellite weapons. Airborne explosive devices without propulsion are referred to as shells if fired by an artillery piece and bombs if dropped by an aircraft. Unguided jet- or rocket-propelled weapons are usually described as rocket artillery. Historically, the word ''missile'' referred to any projectile that is thrown, shot or propelled towards a target; this usage is still ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
AN/SPS-49
The AN/SPS-49 is a United States Navy two-dimensional, long range air search radar built by Raytheon that can provide contact bearing and range. It is a primary air-search radar for numerous ships in the U.S. fleet and in Spain, Poland, Taiwan aboard s, Canada on its (prior to FELEX mid-life upgrade) and New Zealand on its s. It formerly served in a complementary role aboard Aegis cruisers with the AN/SPY-1 but the systems are currently being removed during routine upgrade with no replacement. Operation First tested in 1965 aboard and introduced in 1975, the AN/SPS-49 operates in the 851–942 MHz, or L-, band and has a range of . The orange-peel parabolic shape of the antenna creates a narrow 3.3°-beam to reduce the probability of detection or jamming. It can rotate at 6 rpm in long range mode or 12 rpm in short-range mode. Default is at 12 rpm for the AN/SPS-49A(V)1, to provide more frequent scans against incoming missiles. The SPS-49A(V)1 can detect out to its full ra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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