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3rd Battalion, 5th Marines
3rd Battalion, 5th Marines (3/5, nicknamed Dark Horse) is an infantry battalion in the United States Marine Corps. The battalion is based at Marine Corps Base Camp Pendleton, California and consists of approximately 1,000 Marines and Fleet Marine Force Navy personnel. The 3rd Battalion falls under the command of the 5th Marine Regiment which falls under the command of the 1st Marine Division. Subordinate units * Headquarters and Service Company * Company I (India Company) * Company K (Kilo Company) * Company L (Lima Company) * Company M (Mike Company) (inactive) * Weapons Company History World War I 3rd Battalion, 5th Marines, along with the rest of the 5th Marine Regiment, was first organized on June 8, 1917, as the United States prepared for World War I. The battalion was composed of four companies: the ''16th'', ''20th'', ''45th'' and ''47th''. Six days later, manned by Spanish–American War and Boxer Rebellion veterans along with a large number of raw recruits, they set s ...
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5th Marine Regiment (United States)
The 5th Marine Regiment (also referred to as "5th Marines") is an infantry regiment of the United States Marine Corps based at Marine Corps Base Camp Pendleton, California. It is the most highly decorated regiment in the Marine Corps and falls under the command of the 1st Marine Division (United States), 1st Marine Division and the I Marine Expeditionary Force (I MEF). Organization The Regiment comprises four infantry battalions and one headquarters company: * Headquarters Company 5th Marines (HQ/5th Marines) * 1st Battalion, 5th Marines (1/5) * 2nd Battalion, 5th Marines (2/5) * 3rd Battalion, 5th Marines (3/5) * 2nd Battalion, 4th Marines (2/4) – (assigned to the 5th Marine Regiment for the purpose of facilitating 4th Marines as a "host" regimental headquarters for battalions on unit deployment program assignments to 3rd MARDIV in Okinawa.) History World War I The unit was activated on 8 June 1917, in Philadelphia, Pennsylvania, as the 5th Regiment of Marines. They immed ...
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Battle Of Pusan Perimeter
The Battle of the Pusan Perimeter, known in Korean as the Battle of the Naktong River Defense Line (), was a large-scale battle between United Nations Command (UN) and North Korean forces lasting from August 4 to September 18, 1950. It was one of the first major engagements of the Korean War. An army of 140,000 UN troops, having been pushed south to the brink of defeat, were rallied to make a final stand against the invading Korean People's Army (KPA), 98,000 men strong. UN forces, having been repeatedly defeated by the advancing KPA, were forced back to the "Pusan Perimeter", a defense line around an area on the southeastern tip of South Korea that included the port of Busan (then spelt ''Pusan''). The UN troops, consisting mostly of forces from the Republic of Korea Army (ROKA), United States, and United Kingdom, mounted a last stand around the perimeter, fighting off repeated KPA attacks for six weeks as they were engaged around the cities of Daegu, Taegu, Masan, and Pohang ...
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Operation Swift
Operation Swift was a military operation in the Vietnam War, launched by units of the U.S. 1st Marine Division to rescue two Marine companies which had been ambushed by the People's Army of Vietnam (PAVN). The operation took place in the Quế Sơn Valley, beginning on 4 September 1967. In the ensuing battles, 127 Marines and an estimated 600 PAVN were killed. Background The Quế Sơn Valley is located along the border of Quảng Nam and Quảng Tín Provinces. During the Vietnam War it lay in the southern part of South Vietnam's I Corps. Populous and rice-rich, the valley was viewed as one of the keys to controlling South Vietnam's five northern provinces by the PAVN and by early 1967 at least two regiments of the PAVN 2nd Division had been infiltrated into the area. The Quế Sơn Valley was also recognized as strategically important by the U.S. Military Assistance Command, Vietnam ( MACV). The 5th Marine Regiment was assigned to the valley in 1967 to support the outnum ...
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Operation Union II
Operation Union II was a search and destroy mission in the Quế Sơn Valley carried out by the 5th Marine Regiment. Launched on 26 May 1967 the operation ended on 5 June. U.S. reported the People's Army of Vietnam (PAVN) lost 701 killed and 23 captured, while U.S. casualties were 110 killed and 241 wounded. Background The Quế Sơn Valley is located along the border of Quảng Nam and Quảng Tín Provinces. During the Vietnam War it lay in the southern part of South Vietnam's I Corps. Populous and rice-rich, the valley was viewed as one of the keys to controlling South Vietnam's five northern provinces by the North Vietnamese and by early 1967 at least two regiments of the PAVN 2nd Division had been infiltrated into the area. The Quế Sơn Valley was also recognized as strategically important by the U.S. Military Assistance Command, Vietnam ( MACV). The 1st Battalion, 5th Marines and 3rd Battalion, 5th Marines, experienced units, that had fought in South Vietnam since ...
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Operation Union
Operation Union was a search and destroy mission in the Que Son Valley carried out by the 1st Marine Regiment from 21 April to 16 May 1967. The object of the operation was to engage the People’s Army of Vietnam (PAVN) 2nd Division. Background The Quế Sơn Valley is located along the border of Quảng Nam and Quảng Tín Provinces. During the Vietnam War it lay in the southern part of South Vietnam's I Corps. Populous and rice-rich, the valley was viewed as one of the keys to controlling South Vietnam's five northern provinces by the communists and by early 1967 at least two regiments of the PAVN 2nd Division had been infiltrated into the area. The 5th Marine Regiment minus its 2nd Battalion, an experienced force that had fought in Vietnam since their arrival in mid-1966, was assigned to the valley in 1967 to support the outnumbered Army of the Republic of Vietnam (ARVN) forces in the area, the 6th ARVN Regiment and the 1st Ranger Group. Since mid-January 1967 Compa ...
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Operation Hastings
Operation Hastings was an American military operation in the Vietnam War. The operation was a qualified success in that it pushed the People's Army of Vietnam (PAVN) forces back across the Demilitarized Zone (DMZ). As the PAVN clearly did not feel constrained by the "demilitarized" nature of the DMZ, U.S. military leadership ordered a steady build-up of U.S. Marines near the DMZ from 1966 to 1968. Background During late June and early July 1966, Marine reconnaissance units operating south of the DMZ had observed and engaged increased numbers of uniformed regular PAVN troops. On 6 July, troops of the Army of the Republic of Vietnam (ARVN) 1st Division captured a PAVN soldier near the Rockpile who identified himself as being from the 812th Regiment of the 324B Division and advised that the other regiments of the division had also moved into South Vietnam. On 9 July a lieutenant from the 812th Regiment surrendered in the same area and advised that the 324B Division's mission was ...
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Vietnam War
The Vietnam War (1 November 1955 – 30 April 1975) was an armed conflict in Vietnam, Laos, and Cambodia fought between North Vietnam (Democratic Republic of Vietnam) and South Vietnam (Republic of Vietnam) and their allies. North Vietnam was supported by the Soviet Union and China, while South Vietnam was supported by the United States and other anti-communist nations. The conflict was the second of the Indochina wars and a proxy war of the Cold War between the Soviet Union and US. The Vietnam War was one of the postcolonial wars of national liberation, a theater in the Cold War, and a civil war, with civil warfare a defining feature from the outset. Direct United States in the Vietnam War, US military involvement escalated from 1965 until its withdrawal in 1973. The fighting spilled into the Laotian Civil War, Laotian and Cambodian Civil Wars, which ended with all three countries becoming Communism, communist in 1975. After the defeat of the French Union in the First Indoc ...
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Battle Of The Samichon River
The Battle of the Samichon River (24–26 July 1953) was fought during the final days of the Korean War between United Nations Command, United Nations (UN) forces—primarily Australian and American—and the Chinese People's Volunteer Army (PVA). The fighting took place on a key position on the Jamestown Line known as "the Hook", and resulted in the defending UN troops, including the 2nd Battalion, Royal Australian Regiment (2 RAR) from the 28th British Commonwealth Brigade and the US 7th Marine Regiment, repulsing numerous assaults by the PVA 137th Division (People's Republic of China), 137th Division during two concerted night attacks, inflicting numerous casualties on the PVA with artillery, heavy artillery and small-arms fire. The action was part of a larger, division (military), division-sized PVA attack against the US 1st Marine Division (United States), 1st Marine Division, with diversionary assaults mounted against the Australians. With the peace talks in Panmunjom reach ...
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Battle For Outpost Vegas
The battle for Outpost Vegas took place during the Korean War between the armed forces of the United Nations Command (UN) and China from 26 to 30 March 1953, four months before the end of the Korean War. Vegas was one of three outposts called the Nevada Cities north of the Main Line of Resistance (MLR), the United Nations defensive line which stretched roughly around the latitude 38th Parallel. Vegas, and the outposts it supported, Reno and Carson, were manned by elements of the 1st Marine Division. On 26 March 1953 the Chinese People's Volunteer Army (PVA) launched an attack on the Nevada Cities, including Vegas, in an attempt to better the position of China and North Korea in the Panmunjon peace talks which were occurring at the time, and to gain more territory for North Korea when its borders would be solidified. The battle raged for five days until PVA forces halted their advance after capturing one outpost north of the MLR on 30 March, but were repelled from Vegas. The ...
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First Battle Of The Hook
The First Battle of the Hook was fought between 2 and 28 October 1952 during the Korean War between United Nations Command (UN) and Chinese forces over several frontline outposts. Background In March 1952 the US 1st Marine Division was transferred to US I Corps and moved onto the Jamestown Line, the UN's Main line of resistance (MLR) across Korea. The segment of the Jamestown Line assigned to the 1st Marine Division extended southwest from the Samichon River and the left flank of the British 1st Commonwealth Division, crossed the 38th Parallel (the original demarcation between North and South Korea) shifted to the south bank of the Imjin River in the vicinity of Munsan-ni, continued to the conflux of the Imjin and Han River, and then followed the south bank of the Han past the Kimpo Peninsula. Opposing the Marines on the Jamestown Line, the Chinese People's Volunteer Army (PVA) had the 65th and 63rd Armies, totaling 49,800 troops. The 7th Marine Regiment took over se ...
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Battle Of Bunker Hill (1952)
The Battle of Bunker Hill was fought between 9 August and 30 September 1952 during the Korean War between United Nations Command (UN) and Chinese forces over several frontline outposts. Background In March 1952 the US 1st Marine Division was transferred to US I Corps and moved onto the Jamestown Line, the UN's Main line of resistance (MLR) across Korea. The segment of the Jamestown Line assigned to the 1st Marine Division extended southwest from the Samichon River and the left flank of the British 1st Commonwealth Division, crossed the 38th Parallel (the original demarcation between North and South Korea) shifted to the south bank of the Imjin River in the vicinity of Munsan-ni, continued to the conflux of the Imjin and Han River, and then followed the south bank of the Han past the Kimpo Peninsula. Opposing the Marines on the Jamestown Line, the Chinese People's Volunteer Army (PVA) had the 65th and 63rd Armies, totaling 49,800 troops. Battle Outpost Siberia (9-10 ...
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Battle Of The Punchbowl
The Battle of the Punchbowl (), was one of the last battles of the movement phase of the Korean War. Following the breakdown of armistice negotiations in August 1951, the United Nations Command (UN) decided to launch a limited offensive in the late summer/early autumn to shorten and straighten sections of their lines, acquire better defensive terrain, and deny the enemy key vantage points from which they could observe and target UN positions. The Battle of Bloody Ridge took place west of the Punchbowl from August–September 1951 and this was followed by the Battle of Heartbreak Ridge northwest of the Punchbowl from September–October 1951. At the end of the UN offensive in October 1951, UN forces controlled the line of hills north of the Punchbowl. Prelude The Chinese People's Volunteer Army (PVA) Spring Offensive was stopped by 20 May 1951 and UN forces counterattacked forcing the PVA back to ''Line Kansas'' along the southern edge of the Punchbowl by 20 June. The first ar ...
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