Jamestown Line
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The Jamestown Line was a series of defensive positions occupied by
United Nations The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmoniz ...
forces in the
Korean War , date = {{Ubl, 25 June 1950 – 27 July 1953 (''de facto'')({{Age in years, months, weeks and days, month1=6, day1=25, year1=1950, month2=7, day2=27, year2=1953), 25 June 1950 – present (''de jure'')({{Age in years, months, weeks a ...
. Following the end of the 1951 Chinese Spring Offensive and the
UN May-June 1951 counteroffensive The United Nations (UN) is an intergovernmental organization whose stated purposes are to maintain international peace and security, develop friendly relations among nations, achieve international cooperation, and be a centre for harmonizi ...
, the war largely became one of attrition and trench warfare, fought along static defensive lines reminiscent of the
First World War World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
. As a consequence, major UN ground operations from late spring—under the direction of
Lieutenant General Lieutenant general (Lt Gen, LTG and similar) is a three-star military rank (NATO code OF-8) used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the ...
Matthew Ridgway General Matthew Bunker Ridgway (March 3, 1895 – July 26, 1993) was a senior officer in the United States Army, who served as Supreme Allied Commander Europe (1952–1953) and the 19th Chief of Staff of the United States Army (1953–1955). Altho ...
—were primarily conducted to recapture or establish durable defensive lines, including the Wyoming, Missouri, Kansas and Jamestown Lines. The Jamestown Line stretched from the
Imjin River The Imjin River ( in South Korea) or Rimjin River ( in North Korea) is the 7th largest river in Korea. It flows from north to south, crossing the Demilitarized Zone and joining the Han River downstream of Seoul, near the Yellow Sea. The river i ...
near Munsan-ni then arched northeast in the strategically important sector of front from the
Kimpo Gimpo () is a city in Gyeonggi Province, South Korea. It borders Incheon, with which it shares the South Korean side of the Han River estuary, as well as Seoul and the lesser cities of Paju and Goyang. North Korea is across the Han River. The cu ...
peninsula on the
Yellow Sea The Yellow Sea is a marginal sea of the Western Pacific Ocean located between mainland China and the Korean Peninsula, and can be considered the northwestern part of the East China Sea. It is one of four seas named after common colour ter ...
coast to a point east of Kumhwa., p. 135. The line was subsequently established during the UN counteroffensive between May and November 1951, just north of the 38th Parallel (38°N) during Operation Commando (1951). Held by the
US I Corps I Corps is a corps of the United States Army headquartered in Joint Base Lewis-McChord, Washington. It is a major formation of United States Army Pacific (USARPAC) and its current mission involves administrative oversight of Army units in ...
, this sector was just from the South Korean capital,
Seoul Seoul (; ; ), officially known as the Seoul Special City, is the capital and largest metropolis of South Korea.Before 1972, Seoul was the ''de jure'' capital of the Democratic People's Republic of Korea (North Korea) as stated iArticle 103 of ...
. Five UN divisions of I Corps were used in its capture, including the US 1st Cavalry Division, the US 3rd and 25th Infantry Divisions, the South Korean 1st Division and the
1st Commonwealth Division The 1st Commonwealth Division was the military unit that commanded Commonwealth land forces in the Korean War. The division was a part of the multinational British Commonwealth Forces Korea, with infantry units of the British Army, Canadian ...
. The Jamestown Line was fought over almost continuously until the armistice on 27 July 1953; due to its strategic position, it was the scene of much heavy fighting, including the
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 (UN) forces—primarily Australian and American—and the Chinese People's Volunteer Army (PVA). The fighting took pla ...
just hours before the armistice agreement, which ended the war. p. 269.


References

Korean War {{Korea-War-stub