Operation Jefferson Glenn
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Operation Jefferson Glenn
Operation Jefferson Glenn ran from 5 September 1970 to 8 October 1971 and was the last major operation in which U.S. ground forces participated during the Vietnam War and the final major offensive in which the 101st Airborne Division fought. This was a joint military operation combining forces of the 101st Airborne and the Army of the Republic of Vietnam (ARVN) 1st Infantry Division. Background The purpose of this operation was to shield critical installations in Huế and Da Nang by patrolling rocket belts along the edge of the mountains. During the 399 days of operations the Allied troops established multiple firebases throughout Thừa Thiên Province and regularly encountered People's Army of Vietnam (PAVN) and Viet Cong (VC) troops. Operation 1970 On 7 September Troop B, 2nd Squadron, 17th Cavalry Regiment gunships killed 6 PAVN. On 15 September a bomb damage assessment mission by Troop B found 5 PAVN trucks destroyed. On 18 September 1970 Troop A, 2/17th inserted the ARVN ...
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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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Hughes OH-6 Cayuse
The Hughes OH-6 Cayuse is a single-engine light helicopter that was designed and produced by the American aerospace company Hughes Helicopters. Its formal name is derived from the Cayuse people while its "Loach" nickname comes from the acronym for the Light Observation Helicopter (LOH) programme that it was procured under. The OH-6 was developed in response to the United States Army issuing Technical Specification 153 in 1960 to replace its Bell H-13 Sioux fleet. The ''Model 369'' was submitted by Hughes, and competed against the two finalists, Fairchild-Hiller and Bell, for a production contract. On 27 February 1963, the first prototype conducted its maiden flight. The Model 369 had a distinctive teardrop-shaped fuselage that had strong crashworthiness properties and provided excellent external visibility. Its four-bladed full-articulated main rotor made it particularly agile, and it was suitable for personnel transport, escort and attack missions, and observation. During May ...
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Firebase Fuller
Firebase Fuller (also known as Dong Ha Mountain or Hill 549) is a former U.S. Marine Corps, Army and Army of the Republic of Vietnam (ARVN) firebase in central Vietnam. History The base was established on Dong Ha Mountain northeast of The Rockpile north of Highway 9 during Operation Lancaster II. The 3rd Battalion 9th Marines secured Fuller as part of Operation Virginia Ridge on 2 May 1969. By July the 1st Battalion 9th Marines had assumed responsibility of the area around Fuller. Alpha Battery, 1st Battalion 12th Marines provided artillery support at Fuller from May 1969 until September 1969 when the battery was withdrawn to Okinawa. In late September 1969 as part of Operation Keystone Cardinal the 3rd Marine Regiment began its withdrawal from South Vietnam handing over control of Fuller to the 2nd Battalion, 4th Marines. The 4th Marines in turn handed over Fuller to elements of the 1st Brigade, 5th Infantry Division (Mechanized) on 5 November 1969. On 30 April 1970 at 00: ...
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Rocket-propelled Grenade
A rocket-propelled grenade (RPG) is a shoulder-fired missile weapon that launches rockets equipped with an explosive warhead. Most RPGs can be carried by an individual soldier, and are frequently used as anti-tank weapons. These warheads are affixed to a rocket motor which propels the RPG towards the target and they are stabilized in flight with fins. Some types of RPG are reloadable with new rocket-propelled grenades, while others are single-use. RPGs are generally loaded from the front. RPGs with high-explosive anti-tank (HEAT) warheads are very effective against lightly armored vehicles such as armored personnel carriers (APCs) and armored cars. However, modern, heavily-armored vehicles, such as upgraded APCs and main battle tanks, are generally too well-protected (with thick composite or reactive armor) to be penetrated by an RPG, unless less armored sections of the vehicle are exploited. Various warheads are also capable of causing secondary damage to vulnerable systems ...
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Firebase Airborne
Firebase Airborne was a U.S. Army firebase located west of Huế overlooking the A Shau Valley in central Vietnam. History Airborne was constructed on 8 May 1969 by the 101st Airborne Division approximately 42 km west of Huế and 5 km east of Route 547 which ran along the floor of the A Shau Valley as part of Operation Apache Snow. The base was occupied by elements of the 2nd Battalion, 501st Infantry Regiment, 2nd Battalion, 11th Artillery and 2nd Battalion, 319th Artillery when it was attacked by the People's Army of Vietnam (PAVN) 6th Regiment and K-12 Sapper Battalion at 3:30am on 13 May 1969, resulting in 22 U.S. and a reported 40 PAVN killed. See also *Firebase Berchtesgaden Firebase Berchtesgaden (also known as Firebase Eagle's Nest or Hill 1030) was a U.S. Army firebase located west of Huế Huế () is the capital of Thừa Thiên Huế province in central Vietnam and was the capital of Đàng Trong from 173 ... References Installations of th ...
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Vietnamese Rangers
The Vietnamese Rangers ( vi, Biệt Động Quân), commonly known as the ARVN Rangers, were the light infantry of the Army of the Republic of Vietnam. Trained and assisted by American Special Forces and Ranger advisers, the Vietnamese Rangers infiltrated beyond enemy lines in search and destroy missions. Initially trained as a counter-insurgency light infantry force by removing the fourth company each of the existing infantry battalions, they later expanded into a swing force capable of conventional as well as counter-insurgency operations, and were relied on to retake captured regions. Later during Vietnamization the Civilian Irregular Defense Group program was transferred from MACV and integrated as Border Battalions responsible for manning remote outposts in the Central Highlands. Rangers were often regarded as among the most effective units in the war. Part of this was due to the specialized role of these units, given that they had their origins in French-raised Commando U ...
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Republic Of Vietnam Marine Division
The Republic of Vietnam Marine Division (RVNMD, vi, Sư Đoàn Thủy Quân Lục Chiến QLC was part of the armed forces of South Vietnam. It was established by Ngo Dinh Diem in 1954 when he was Prime Minister of the State of Vietnam, which became the Republic of Vietnam in 1955. The longest-serving commander was Lieutenant General Le Nguyen Khang. In 1969, the VNMC had a strength of 9,300, 15,000 by 1973, and 20,000 by 1975. The Marine Division trace their origins to French-trained Commandos Marine divisions recruited and placed under the command of the French Navy but officially incorporated in 1960. From 1970 onwards, the South Vietnamese Marines and Airborne Division grew significantly, supplanting the independent, Central Highlands based Vietnamese Rangers as the most popular elite units for volunteers. Along with the Airborne, the Marine Division formed the General Reserve with the strategic transformation under Vietnamization, with elite and highly-mobile units meant t ...
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National Route 9 (Vietnam)
National Route 9 ( vi, Quốc lộ 9 (or abbrv. QL9) or Đường 9, links=no) runs across Vietnam roughly in line with the 17th Parallel. The route includes two segments. The segment called National Route 9A begins at Đông Hà and ends at Lao Bảo on the Vietnam-Laos border and is entirely within Quảng Trị Province. The 8 km-long segment called National Route 9B begins at Dong Ha and runs eastward to Cửa Việt Port. Road layout Route 9 runs through the following towns and cities of Quảng Trị Province: *Đông Hà, where it connects with Route 1 *Cam Lộ * Ca Lu * Tân Hợp, where it connects to the Ho Chi Minh Highway *Khe Sanh *Lang Vei *Lao Bảo where it connects to Route 9E in Laos which runs through Xépôn and Seno to Savannakhet Specifications *Total length: 82 km *Road width: 10 m *Road surface: paved with asphalt History Route Coloniale 9 or RC9 was constructed by the French in the early 20th century. With the partition of Vietnam followi ...
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Bell UH-1 Iroquois
The Bell UH-1 Iroquois (nicknamed "Huey") is a utility military helicopter designed and produced by the American aerospace company Bell Helicopter. It is the first member of the prolific Huey family, as well as the first turbine-powered helicopter in service with the United States military. Development of the Iroquois started in the early 1950s, a major impetus being a requirement issued by the United States Army for a new medical evacuation and utility helicopter. The Bell 204, first flown on 20 October 1956, was warmly received, particularly for the performance of its single turboshaft engine over piston engine-powered counterparts. An initial production contract for 100 ''HU-1A''s was issued in March 1960. In response to criticisms over the rotorcraft's power, Bell quickly developed multiple models furnished with more powerful engines; in comparison to the prototype's Lycoming YT53-L-1 (LTC1B-1) engine, producing 700 shp (520 kW), by 1966, the Lycoming T53-L-13, ...
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Operation Lam Son 719
Operation Lam Son 719 or 9th Route – Southern Laos Campaign ( vi, Chiến dịch Lam Sơn 719 or Chiến dịch đường 9 – Nam Lào) was a limited-objective offensive campaign conducted in the southeastern portion of the Kingdom of Laos. The campaign was carried out by the armed forces of South Vietnam between 8 February and 25 March 1971, during the Vietnam War. The United States provided logistical, aerial and artillery support for the operation, but its ground forces were prohibited by law from entering Laotian territory. The objective of the campaign was the disruption of a possible future offensive by the People's Army of Vietnam (PAVN), whose logistical system within Laos was known as the Ho Chi Minh Trail (the Truong Son Road to North Vietnam). By launching a pre-emptive attack against the PAVN's long-established logistical system, the American and South Vietnamese high commands hoped to resolve several pressing issues. A quick victory in Laos would bolster the mora ...
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Firebase Currahee
Firebase Currahee (also known as LZ Currahee) is a former U.S. Army firebase in the A Sầu Valley southwest of Huế in central Vietnam. History The base was established along the floor of the A Sầu Valley, 43 km southwest of Huế near the intersection of Route 547 and Route 548. The base was first established by the 101st Airborne Division in May 1969 to support Operation Apache Snow. From 8 June 1969, the 3rd Brigade, 101st Airborne conducted Operation Montgomery Rendezvous with the 2nd Battalion, 319th Artillery at Currahee providing fire support. On 15 June, a People's Army of Vietnam The People's Army of Vietnam (PAVN; vi, Quân đội nhân dân Việt Nam, QĐNDVN), also recognized as the Vietnam People's Army (VPA) or the Vietnamese Army (), is the military force of the Vietnam, Socialist Republic of Vietnam and the ... (PAVN) force attacked the base and was repelled with the loss of 54 PAVN killed and 5 U.S. wounded. On 17 June, PAVN mortars hit ...
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