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BNS Osman
BNS ''Osman'' was a modified Type 053H frigate of the Bangladesh Navy, bought in 1988 from China. She was the first guided missile frigate to enter service with the Bangladesh Navy. The ship was named after the third Rashidun Caliph Uthman. Design Powered by two type 12 E 390V diesel engines that drive two propellers, ''Osman'' had a maximum speed of . She had a range of at . Armament The ship's primary armament consisted of eight C-802 anti-ship missiles. Her secondary armament consisted of two twin 100 mm guns, mounted on the bow and stern. Anti-aircraft armament consisted of four twin 37mm guns. For anti-submarine warfare, she was equipped with two RBU-1200 anti-submarine rocket launchers and two BMB-2 depth charge mortars. She could carry up to 60 mines. Electronics ''Osman'' was equipped with one MX 902 radar for air and surface search and one Type 352 Square Tie radar for surface search and fire control. One Type 352 radar was present for navigational purpose. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hudong Shipyard
Baike.com (), formerly Hudong and Hoodong (), is a for-profit social network in Chinese, including the world's largest Chinese encyclopedia. It is one of the two largest wikis in China, along with Baidu Baike, claiming to have more than 18 million articles as of 2020 and more than 5.77 million volunteers, as of April 2013. History Baike.com was founded in 2005 by CEO Pan Haidong, who had moved back to China after earning a PhD in systems engineering from Boston University in 2002. Baike.com, a 2007 RedHerring 100 Asia company, developed its own wiki software platform, called HDWiki, as a rival to MediaWiki. The system has some social networking-like interactive features, such as user profile, friends and groups. The first version was released in November 2006 and by November 2007 version 3 with added functions, features, and more stability was released. The HDWiki software is free for non-commercial use, has been downloaded 200,000 times and currently supports over 1,000 othe ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rashidun Caliphate
The Rashidun Caliphate ( ar, اَلْخِلَافَةُ ٱلرَّاشِدَةُ, al-Khilāfah ar-Rāšidah) was the first caliphate to succeed the Islamic prophet Muhammad. It was ruled by the first four successive caliphs of Muhammad after his death in 632 CE (11 Hijri year, AH). During its existence, the empire was the most powerful economic, cultural, and military force in Western Asia, West Asia. The caliphate arose following Muhammad’s passing in June 632 and the subsequent debate over the Succession to Muhammad, succession to his leadership. Muhammad's childhood friend and close companion Abu Bakr (), of the Banu Taym clan, was elected the first caliph in Medina and he began the Early Muslim conquests, conquest of the Arabian Peninsula. His brief reign ended in August 634 when he died and was succeeded by Umar (), his appointed successor from the Banu Adi clan. Under Umar, the caliphate expanded at an unprecedented rate, ruling more than two-thirds of the Byzantine Empir ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vietnamese Navy
The Vietnam People's Navy (VPN; vi, Hải quân nhân dân Việt Nam), or the Naval Service (), also known as the Vietnamese People's Navy or simply Vietnam/Vietnamese Navy (), is the naval branch of the Vietnam People's Army and is responsible for the protection of the country's national waters, islands, and interests of the maritime economy, as well as for the co-ordination of maritime police, customs service and the border defence force. History Pre–Modern Period Vietnam War On 19 July 1946, Acting President of Democratic Republic of Vietnam (DRV) Huỳnh Thúc Kháng signed into law a decree establishing the modern Vietnamese navy. Then, on 10 September of that year, General Võ Nguyên Giáp started to build a flotilla as the core of the new navy. On 8 March 1949, Vietnam established the Department of Naval Research under the General Staff. This department has performed both research and training to prepare for combat missions. Following the Geneva Conferenc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Johnson South Reef Skirmish
The Johnson South Reef Skirmish was an altercation that took place on 14 March 1988 between Chinese and Vietnamese forces over who would control the Johnson South Reef in the Union Banks region of the Spratly Islands in the South China Sea. Background The 14th UNESCO Intergovernmental Oceanographic Commission (IOC) agreed that China would establish five observation posts for worldwide ocean survey, including one in the Spratly Islands, and they commissioned China to build an observation post there in March 1987. The Delegate of the People's Republic of China (PRC) spoke highly of GLOSS (Global Sea Level Observing System) during the meeting of the UNESCO IOC in Paris, but he noted what the PRC considered to be a few mistakes in the text of Document IOC/INF-663; for example, "Taiwan" is listed as a "country" in relevant tables contained in the document. The scientists from the GLOSS did not know that the PRC claims that Taiwan is not a separate country; nor did they know about the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ship Commissioning
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 corre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Sea Fleet
The Southern Theater Command Navy (), or the South Sea Fleet (SSF; ) is one of the three fleets of the Chinese People's Liberation Army Navy, operating in the South China Sea under the Southern Theater Command. It is headquartered in Zhanjiang, Guangdong Province. Initially, the fleet's strength consisted mostly of former Kuomintang ships and personnel, which either defected or were captured by the People's Liberation Army. One of three fleets of the People's Liberation Army Navy, the SSF's duties were to protect the city of Guangzhou and the Pearl River regions, and support the PLA in capturing islands that were still in the hands of the Kuomintang forces. The fleet's development has been slow, because most of China's shipbuilding industry is located on the northern or eastern coasts. In the 1970s the fleet underwent a major buildup, due to conflict in the Paracel Islands and other reefs in the South China Sea. In 1974, the SSF took the Paracel Islands from South Vietnam, whic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
People's Liberation Army Navy
The People's Liberation Army Navy (PLAN; ), also known as the People's Navy, Chinese Navy, or PLA Navy, is the maritime service branch of the People's Liberation Army. The PLAN traces its lineage to naval units fighting during the Chinese Civil War and was established on 23 April 1949. Throughout the 1950s and early 1960s, the Soviet Union provided assistance to the PLAN in the form of naval advisers and export of equipment and technology. Until the late 1980s, the PLAN was largely a riverine and littoral force (brown-water navy). In the 1990s, following the fall of the Soviet Union and a shift towards a more forward-oriented foreign and security policy, the leaders of the Chinese military were freed from worrying overland border disputes. Traditionally subordinated to the PLA Ground Force, PLAN leaders were now able to advocate for a renewed attention towards the seas. Chinese military officials have outlined plans to operate in the first and second island chains, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type 352 Radar
The Rangout (NATO reporting name: Square Tie) is a Soviet naval radar. It was used by small ships for navigation, air and surface search, and target acquisition for the P-15 Termit anti-ship missile. The People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ... produced a copy or variant called Type 352. References {{Russian and Soviet military designation sequences Naval radars Russian and Soviet military radars ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Depth Charge
A depth charge is an anti-submarine warfare (ASW) weapon. It is intended to destroy a submarine by being dropped into the water nearby and detonating, subjecting the target to a powerful and destructive Shock factor, hydraulic shock. Most depth charges use explosive, high explosive charges and a fuze set to detonate the charge, typically at a specific depth. Depth charges can be dropped by ships, patrol aircraft, and helicopters. Depth charges were developed during World War I, and were one of the first viable methods of attacking a submarine underwater. They were widely used in World War I and World War II, and remained part of the anti-submarine arsenals of many navies during the Cold War, during which they were supplemented, and later largely replaced, by anti-submarine homing torpedoes. A depth charge fitted with a nuclear warhead is also known as a "nuclear depth bomb". These were designed to be dropped from a patrol plane or deployed by an anti-submarine missile from a s ... [...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] |
Anti-aircraft
Anti-aircraft warfare, counter-air or air defence forces is the battlespace response to aerial warfare, defined by NATO as "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It includes surface based, subsurface ( submarine launched), and air-based weapon systems, associated sensor systems, command and control arrangements, and passive measures (e.g. barrage balloons). It may be used to protect naval, ground, and air forces in any location. However, for most countries, the main effort has tended to be homeland defence. NATO refers to airborne air defence as counter-air and naval air defence as anti-aircraft warfare. Missile defence is an extension of air defence, as are initiatives to adapt air defence to the task of intercepting any projectile in flight. In some countries, such as Britain and Germany during the Second World War, the Soviet Union, and modern NATO and the United States, ground-based air defence and air defence aircraft ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Anti-ship Missile
An anti-ship missile (AShM) is a guided missile that is designed for use against ships and large boats. Most anti-ship missiles are of the sea skimming variety, and many use a combination of inertial guidance and active radar homing. A good number of other anti-ship missiles use infrared homing to follow the heat that is emitted by a ship; it is also possible for anti-ship missiles to be guided by radio command all the way. The first anti-ship missiles, which were developed and built by Nazi Germany, used radio command guidance.https://airandspace.si.edu/collection-objects/bomb-guided-fritz-x-x-1/nasm_A19840794000#:~:text=The%20Fritz%20X%2C%20also%20known,the%20Henschel%20Hs%20293%20missile. These saw some success in the Mediterranean Theatre during 1943–44, sinking or heavily damaging at least 31 ships with the Henschel Hs 293 and more than seven with the ''Fritz X'', including the Italian battleship ''Roma'' and the light cruiser . A variant of the HS 293 had a TV ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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