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Ho Chi Minh Campaign
The 1975 spring offensive ( vi, chiến dịch mùa Xuân 1975), officially known as the general offensive and uprising of spring 1975 ( vi, Tổng tiến công và nổi dậy mùa Xuân 1975) was the final North Vietnamese campaign in the Vietnam War that led to the capitulation of Republic of Vietnam. After the initial success capturing Phước Long Province, the North Vietnamese leadership increased the scope of the People's Army of Vietnam's (PAVN) offensive and captured and held the key Central Highlands city of Buôn Ma Thuột between 10 and 18 March. These operations were intended to be preparatory to launching a general offensive in 1976. Following the attack on Buôn Ma Thuôt, the Republic of Vietnam realized they were no longer able to defend the entire country and ordered a strategic withdrawal from the Central Highlands. The retreat from the Central Highlands, however, was a debacle as civilian refugees fled under fire with soldiers, mostly along a single h ...
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Vietnam War
The Vietnam War (also known by #Names, other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vietnam and South Vietnam. The north was supported by the Soviet Union, China, and other communist states, while the south was United States in the Vietnam War, supported by the United States and other anti-communism, anti-communist Free World Military Forces, allies. The war is widely considered to be a Cold War-era proxy war. It lasted almost 20 years, with direct U.S. involvement ending in 1973. The conflict also spilled over into neighboring states, exacerbating the Laotian Civil War and the Cambodian Civil War, which ended with all three countries becoming communist states by 1975. After the French 1954 Geneva Conference, military withdrawal from Indochina in 1954 – following their defeat in the First Indochina War – the Viet Minh to ...
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Dư Quốc Đống
Lieutenant General Dư Quốc Đống (1932 – 22 April 2008) was an officer of the Army of the Republic of Vietnam (ARVN). Career In 1965 Đống served as commander of the Airborne which together with the Marines formed the South Vietnamese general reserve and had a significant political role to play in Saigon. Đống allied with General Nguyễn Văn Thiệu, while General Lê Nguyên Khang commanding the Marines was an ally of Đống's rival Air Vice Marshal Nguyễn Cao Kỳ. The general reserve troops represented the muscle of the Saigon-based Directory members and balanced power between the rival officer cliques. In 1966 US advisers reported that Đống was highly resistant to American advice. Because of his close relationship with Thiệu, Joint General Staff chief General Cao Văn Viên Cao Văn Viên (December 21, 1921 – January 22, 2008) was one of only two South Vietnamese four-star army generals in the history of the Army of the Republic of Vietna ...
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A-37 Dragonfly
The Cessna A-37 Dragonfly, or Super Tweet, is an American light attack aircraft developed from the T-37 Tweet basic trainer in the 1960s and 1970s by Cessna Cessna () is an American brand of general aviation aircraft owned by Textron Aviation since 2014, headquartered in Wichita, Kansas. Originally, it was a brand of the Cessna Aircraft Company, an American general aviation aircraft manufacturing c ... of Wichita, Kansas. The A-37 was introduced during the Vietnam War and remained in peacetime service afterward. Design and development The growing American military involvement in Vietnam War, Vietnam in the early 1960s led to strong interest in Counter-insurgency aircraft, counter-insurgency (COIN) aircraft. In late 1962, the United States Air Force, U.S. Air Force's Special Air Warfare Center at Eglin Air Force Base's Hurlburt Field in Florida evaluated two T-37Cs for the role. The Air Force found the T-37 promising, but wanted an improved version of the aircraft that cou ...
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Recoilless Gun
A recoilless rifle, recoilless launcher or recoilless gun, sometimes abbreviated "RR" or "RCL" (for ReCoilLess) is a type of lightweight artillery system or man-portable launcher that is designed to eject some form of countermass such as propellant gas from the rear of the weapon at the moment of firing, creating forward thrust that counteracts most of the weapon's recoil. This allows for the elimination of much of the heavy and bulky recoil-counteracting equipment of a conventional cannon as well as a thinner-walled barrel, and thus the launch of a relatively large projectile from a platform that would not be capable of handling the weight or recoil of a conventional gun of the same size. Technically, only devices that use spin-stabilized projectiles fired from a rifled barrel are recoilless rifles, while smoothbore variants (which can be fin-stabilized or unstabilized) are recoilless guns. This distinction is often lost, and both are often called recoilless rifles. Though sim ...
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Mortar (weapon)
A mortar is usually a simple, lightweight, man-portable, muzzle-loaded weapon, consisting of a smooth-bore (although some models use a rifled barrel) metal tube fixed to a base plate (to spread out the recoil) with a lightweight bipod mount and a sight. They launch explosive shells (technically called bombs) in high-arcing ballistic trajectories. Mortars are typically used as indirect fire weapons for close fire support with a variety of ammunition. History Mortars have been used for hundreds of years. The earliest mortars were used in Korea in a 1413 naval battle when Korean gunsmiths developed the ''wan'gu'' (gourd-shaped mortar) (완구, 碗口). The earliest version of the ''wan'gu'' dates back to 1407. Choi Hae-san (최해산, 崔海山) (1380–1443), the son of Choe Mu-seon (최무선, 崔茂宣) (1325–1395), is generally credited with inventing the ''wan'gu''. In the Ming dynasty, general Qi Jiguang recorded the use of a mini cannon called the Hu dun pao that ...
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United States Army Center Of Military History
The United States Army Center of Military History (CMH) is a directorate within the United States Army Training and Doctrine Command. The Institute of Heraldry remains within the Office of the Administrative Assistant to the Secretary of the Army. The center is responsible for the appropriate use of history and military records throughout the United States Army. Traditionally, this mission has meant recording the official history of the army in both peace and war, while advising the army staff on historical matters. CMH is the flagship organization leading the Army Historical Program. CMH is also in charge of the National Museum of the United States Army, which was recently completed at Fort Belvoir, Virginia. Mission The center traces its lineage back to historians under the Secretary of War who compiled the ''Official Records of the Rebellion'', an extensive history of the American Civil War begun in 1874. A similar work on World War I was prepared by the Historical Sec ...
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IV Corps (South Vietnam)
The IV Corps () was a corps of the Army of the Republic of Vietnam (ARVN), the army of the nation state of South Vietnam that existed from 1955 to 1975. It was one of four corps in the ARVN, and it oversaw the Mekong Delta region of the country. The Mekong Delta was the heartland of agricultural South Vietnam, it encompassed the fertile alluvial plains formed by the Mekong River and its main tributary, the Bassac River. With its sixteen provinces, the Delta contained about two-thirds of the nation's population and yielded the same proportion in rice production. The terrain of IV Corps differed radically from other regions. Flat and mostly uncovered, it consisted of mangrove swamps and ricefields crisscrossed by an interlocking system of canals, natural and artificial. Except for some isolated mountains to the west near the Cambodian border, few areas in the Delta had an elevation of more than above sea level. During the monsoon season, most of the swampy land north of Route QL- ...
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III Corps (South Vietnam)
III Corps () was a corps of the Army of the Republic of Vietnam (ARVN), the army of the nation state of South Vietnam that existed from 1955 to 1975. It was one of four corps in the ARVN, and oversaw the region of the country surrounding the capital Saigon , population_density_km2 = 4,292 , population_density_metro_km2 = 697.2 , population_demonym = Saigonese , blank_name = GRP (Nominal) , blank_info = 2019 , blank1_name = – Total , blank1_ .... III Corps was activated in September 1959 and controlled the country south of Phan Thiet excluding Saigon which was controlled by the Capital Military District. In 1962, President Ngô Đình Diệm decided to split the Corps into two, the former III Corps area being reduced in size to cover the area northeast of Saigon and the newly created IV Corps taking over the west and southwest. The Fifth Division based in Bien Hoa on the northern outskirts of Saigon was a part of I ...
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II Corps (South Vietnam)
The II Corps () was a corps of the Army of the Republic of Vietnam (ARVN), the army of the nation state of South Vietnam that existed from 1955 to 1975. It was one of four corps in the ARVN, and it oversaw the central highlands region, north of the capital Saigon. Its corps headquarters was in the mountain town of Pleiku. II Corps became operational in April 1958. One notable ARVN unit of II Corps, the 3d Armored Cavalry Squadron, earned the Presidential Unit Citation (United States). The 21st Tank Regiment was formed at Pleiku in 1972.Simon Dunstan, 'Vietnam Tracks: Armor into Battle 1945–75,' Osprey Publishing Ltd, London, 1982, 59. 1972 Easter Offensive The objective of the North Vietnamese forces during the third phase of the ''Nguyen Hue Offensive'' was to seize the cities of Kon Tum and Pleiku, thereby overrunning the Central Highlands. This would then open the possibility of proceeding east to the coastal plains, splitting South Vietnam in two. The highlands of ...
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I Corps (South Vietnam)
I Corps () was a corps of the Army of the Republic of Vietnam (ARVN), the army of the nation state of South Vietnam that existed from 1955 to 1975. It was one of four corps of the ARVN. This was the northernmost region of South Vietnam, bordering North Vietnam at the Vietnamese Demilitarized Zone (DMZ). These five provinces are Quảng Trị Province, ( Khe Sanh, Đông Hà, Quảng Trị City), Thừa Thiên-Huế Province, (Phu Bai, Huế City), Quảng Nam Province, ( Đà Nẵng, Hội An), Quảng Tín Province, (Tam Kỳ, Chu Lai) and Quảng Ngãi Province, (Quảng Ngãi). I Corps became operational in November 1957. Among its formations and units were the ARVN 1st Division. The I CTZ, later Military Region 1, was partnered with the U.S. III Marine Expeditionary Force and the XXIV Corps. Lam Son 719 General Hoàng Xuân Lãm was given responsibility for the I Corps Tactical Zone in 1967. He coordinated the South Vietnamese Operation Lam Sơn 719 offensive wh ...
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Tây Nguyên
Central Highlands ( vi, Cao nguyên Trung phần), Western Highlands ( vi, Tây Nguyên) or Midland Highlands ( vi, Cao nguyên Trung bộ) is one of the regions of Vietnam. It contains the provinces of Đắk Lắk, Đắk Nông, Gia Lai, Kon Tum, and Lâm Đồng. Provinces History The native inhabitants of the Central Highlands (Montagnards, Mountain peoples) are various peoples that mainly belonged to the two major Austronesian (Highland Chamic) and Austroasiatic (Bahnaric) ethnolinguistic families. According to Peng et al. (2010) & Liu et al. (2020), Austronesian Chamic groups were well known of being seafarers with the original homeland of Taiwan, might have migrated to present-day Central Vietnam by sea from Maritime Southeast Asia around ~ 2,500 kya, while were making contact/or possibly absorbed the previously earlier Austroasiatic inhabitants (research shows shared high frequencies of AA-associated ancestry among Vietnam's Austronesian Chamic highlanders than ...
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Bình Trị Thiên
Bình Trị Thiên (1975–1990) was a former administrative grouping of three provinces in Vietnam: Quảng Bình, Quảng Trị and Thừa Thiên. The grouping did not work well and was reversed in 1992. The geographical term had been used previously, for example in relation to culture, folk songs (1967) and is still used after, for example in relation to dialect (1997) and folk songs again (1997).Tôn-Thất Bình ''Dân ca Bình Trị Thiên'' 1997 Geography Binh Tri Thien province has the geographical location: * The North borders on the province Nghệ Tinh * The South borders on the province Quang Nam - Da Nang * East sea bordering the east * The West borders Laos. History In 1976, these three provinces were merged by the Government Republic of South Vietnam into a province with a provincial capital based in the city Hue. According to Decision on June 30, 1989 of the VIII National Assembly, the 5th session, these three provinces were split again, but after t ...
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