The 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 the Asia-Pacific region, including the Pacific Pathways program.
The Battle of Kapyong, also known as the Battle of Jiaping, was fought during the Korean War between United Nations Command (UN) forces—primarily Canadian, Australian, and New Zealand—and the 118th and 60th Divisions of the Chinese People's Volunteer Army (PVA). The fighting occurred during the Chinese Spring Offensive and saw the 27th British Commonwealth Brigade establish blocking positions in the Kapyong Valley, on a key route south to the capital, Seoul. The two forward battalions—the 3rd Battalion, Royal Australian Regiment and 2nd Battalion, Princess Patricia's Canadian Light Infantry, both battalions consisting of about 700 men each—were supported by guns from the 16th Field Regiment of the Royal Regiment of New Zealand Artillery along with two companies of US mortars, fifteen Sherman tanks from US 72nd Heavy Tank Battalion, two companies of the US 74th Engineer Combat Battalion and 1st Battalion, Middlesex Regiment. These forces occupied positions astride the valley with hastily developed defences. As thousands of soldiers from the Republic of Korea Army (ROK) began to withdraw through the valley, the PVA infiltrated the brigade position under the cover of darkness, and assaulted the 3 RAR on Hill 504 during the evening and into the following day. Five companies of the US and UK forces attached to 27th Brigade fled the battlefield without orders, expecting an imminent PVA breakthrough at the Kapyong Valley.
The Battle of the Imjin River, also known as the Battle of Solma-ri or Battle of Gloster Hill in South Korea, or as Battle of Xuemali in China, took place 22–25 April 1951 during the Korean War. Troops from the Chinese People's Volunteer Army (PVA) attacked United Nations Command (UN) positions on the lower Imjin River in an attempt to achieve a breakthrough and recapture the South Korean capital Seoul. The attack was part of the Chinese Spring Offensive, the aim of which was to regain the initiative on the battlefield after a series of successful UN counter-offensives in January–March 1951 had allowed UN forces to establish themselves beyond the 38th Parallel at the Kansas Line.
William Speakman-Pitt, VC, known as Bill Speakman, was a British Army soldier and a recipient of the Victoria Cross, the highest award for gallantry in the face of the enemy that can be awarded to British and Commonwealth forces. He was the first person to receive an honour from Queen Elizabeth II.
The Battle of Pork Chop Hill, known as Battle of Seokhyeon-dong Northern Hill in China, is a pair of related Korean War infantry battles that took place on April 16 and July 11, 1953 while the United Nations Command (UN) and the Chinese and North Koreans were negotiating the Korean Armistice Agreement.
The Battle of Yultong, also known as the Battle of Meiluodong, Battle of Yuldong, or Battle of Yuldong-ri, took place during the Korean War. It was fought between approximately 15,000 soldiers from elements of the Chinese People's Volunteer Army (PVA) 34th Division and 900 Filipino soldiers 10th Battalion Combat Team (BCT), north of Yeoncheon during April 22–23, 1951. The battle was part of the Chinese Spring Offensive.
Operation Commando was an offensive undertaken by United Nations Command (UN) forces during the Korean War between 3–12 October 1951. The US I Corps seized the Jamestown Line, destroying elements of the People's Volunteer Army (PVA) 42nd, 47th, 64th and 65th Armies. This prevented the PVA from interdicting the UN supply lines near Seoul.
The Battle of Pakchon, also known as the Battle of Bochuan, took place ten days after the start of the Chinese First Phase Offensive, following the entry of the Chinese People's Volunteer Army (PVA) into the Korean War. The offensive reversed the United Nations Command (UN) advance towards the Yalu River which had occurred after their intervention in the wake of the North Korean invasion of South Korea at the start of the war. The battle was fought between British and Australian forces from the 27th British Commonwealth Brigade with American armour and artillery in support, and the PVA 117th Division of the 39th Army, around the village of Pakchon on the Taeryong River. After capturing Chongju on 30 October the British and Australians had been ordered to pull back to Pakchon in an attempt to consolidate the western flank of the US Eighth Army. Meanwhile, immediately following their success at Unsan against the Americans, the PVA 117th Division had attacked southward, intending to cut off the UN forces as they withdrew in the face of the unexpected PVA assault. To halt the PVA advance, the 27th British Commonwealth Brigade was ordered to defend the lower crossings of the Taeryong and Chongchon rivers as part of a rearguard, in conjunction with the US 24th Infantry Division further upstream on the right.
Australia entered the Korean War on 28 September, 1950; following the invasion of South Korea by North Korea. The war's origins began after Japan's defeat in World War II, which heralded the end to 35 years of Japanese occupation of the Korean Peninsula. The surrender of Japan to the Allied forces on 2 September 1945 led to the division of Korea into two countries, which were officially called the Democratic People's Republic of Korea (DPRK) and the Republic of Korea (ROK). The DPRK was occupied by the Soviet Union, and the ROK, below the 38th Parallel, was occupied by the United States (US).
The First Battle of Maryang-san, also known as the Defensive Battle of Maliangshan, was fought during the Korean War between United Nations Command (UN) forces—primarily Australian, British and Canadian—and the Chinese People's Volunteer Army (PVA). The fighting occurred during a limited UN offensive by US I Corps, codenamed Operation Commando. This offensive ultimately pushed the PVA back from the Imjin River to the Jamestown Line and destroyed elements of four PVA armies following heavy fighting. The much smaller battle at Maryang-san took place over a five-day period, and saw the 1st Commonwealth Division dislodge a numerically superior PVA force from the tactically important Kowang-san, Hill 187, and Maryang-san features.
The Battle of Triangle Hill, also known as Operation Showdown or the Shangganling Campaign, was a protracted military engagement during the Korean War. The main combatants were two United Nations (UN) infantry divisions, with additional support from the United States Air Force, against elements of the Chinese People's Volunteer Army (PVA) 15th and 12th Corps. The battle was part of UN attempts to gain control of the "Iron Triangle" and took place from 14 October to 25 November 1952.
The Battle of the Samichon River 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 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 from the 28th British Commonwealth Brigade and the US 7th Marine Regiment, repulsing numerous assaults by the PVA 137th Division during two concerted night attacks, inflicting numerous casualties on the PVA with heavy artillery and small-arms fire. The action was part of a larger, division-sized PVA attack against the US 1st Marine Division, with diversionary assaults mounted against the Australians. With the peace talks in Panmunjom reaching a conclusion, the Chinese had been eager to gain a last-minute victory over the UN forces, and the battle was the last of the war before the official signing of the Korean armistice.
The Battle of Maehwa-San was fought for control of the hills and area around Maehwa mountain between the Hoengseong County and Wonju, between 7–12 March 1951, during the Korean War. The British Empire 27th British Commonwealth Brigade was tasked with eliminating the Chinese People's Volunteer Army (PVA) and Korean People's Army (KPA) forces occupying the area.
The Battle of the Ch'ongch'on River, also known as the Battle of the Ch'ongch'on, was a decisive battle in the Korean War that took place from November 25 to December 2, 1950, along the Ch'ongch'on River Valley in the northwestern part of North Korea. In response to the successful Chinese First Phase Campaign against the United Nations (UN) forces, General Douglas MacArthur launched the Home-by-Christmas Offensive to expel the Chinese forces from Korea and to end the war. Anticipating this reaction, the Chinese People's Volunteer Army (PVA) Commander Peng Dehuai planned a counteroffensive, dubbed the "Second Phase Campaign", against the advancing UN forces.
The Third Battle of Seoul was a battle of the Korean War, which took place from December 31, 1950, to January 7, 1951, around the South Korean capital of Seoul. It is also known as the Chinese New Year's Offensive, the January–Fourth Retreat or the Third Phase Campaign Western Sector.
The Chinese spring offensive, also known as the Chinese Fifth Phase Offensive, was a military operation conducted by the Chinese People's Volunteer Army (PVA) during the Korean War. Mobilizing three field armies totaling 700,000 men for the operation, the Chinese command conducted their largest offensive operation since their Second Phase Offensive in November and December 1950. The operation took place in the summer of 1951 and aimed at permanently driving the United Nations Command (UN) forces off the Korean peninsula.
The Second Battle of the Hook was fought between 18 and 19 November 1952 during the Korean War between elements of United Nations Command (UN) troops consisting of British and Canadian troops of the 1st Commonwealth Division and Chinese forces on a vital sector known as the "Hook" position which was the scene of much bitter fighting before and in the ensuing months. Attacking Chinese forces attempted to take the strategic position but were repelled by a combination of heavy firepower and effective counterattacks.
The UN offensive into North Korea was a large-scale offensive in late 1950 by United Nations (UN) forces against North Korean forces during the Korean War.
The Battle of Kowang-san, also known as the Battle of Hill 355, was fought during the Korean War between United Nations Command (UN) forces—primarily the Royal 22nd Regiment / the Royal Canadian Regiment—and the Chinese People's Volunteer Army (PVA) at Kowang-san, it was nicknamed "Little Gibraltar" by UN troops because of its prominent size and many defensive positions.
Major-General John Frederick Matheson Macdonald was a senior British Army officer.
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