Battle of Maryang San

First Battle of Maryang San
Part of the Korean War
Maryang San (right), Korea
Date 3–8 October 1951 Location Imjin River, Korea Result United Nations victory
Belligerents
United Nations  United States  United Kingdom  Australia  New Zealand  Canada	China
Commanders and leaders
Matthew Ridgway James Van Fleet James Cassels George Taylor Francis Hassett	Peng Dehuai Yang Dezhi Zeng Siyu Xie Zhengrong
Units involved
3 RAR	571st Regiment
Strength
320 men	1,200 men
Casualties and losses
20 killed 104 wounded	283 killed 50 captured

 United Nations

The First Battle of Maryang San (3–8 October 1951), also known as the Defensive Battle of Maliangshan (Chinese: 马良山防御战; pinyin: Mǎliáng Shān Fángyù Zhàn), was fought during the Korean War between United Nations (UN) forces—primarily Australian and British—and the Chinese communist People's Volunteer Army. The fighting occurred during a limited UN offensive by US I Corps, codenamed Operation Commando. This offensive ultimately pushed the Chinese back from the Imjin River to the Jamestown Line and destroyed elements of four Chinese armies following heavy fighting. The much smaller battle at Maryang San took place over a five-day period, and saw the 3rd Battalion, Royal Australian Regiment (3 RAR) dislodge a numerically superior Chinese force from the tactically important Kowang-San (Hill 355) and Maryang San (Hill 317) features, in conjunction with other units of the 1st Commonwealth Division.

Using tactics first developed against the Japanese in New Guinea during the Second World War, the Australians gained the advantage of the high ground and assaulted the Chinese positions from unexpected directions. They then repelled repeated Chinese counterattacks aimed at re-capturing Maryang San, with both sides suffering heavy casualties before the Australians were finally relieved by a British battalion. However, with the peace-talks ongoing, these operations proved to be last actions in the war of manoeuvre, which had lasted the previous sixteen months. It was replaced by a static war characterised by fixed defences reminiscent of the Western Front in 1915–17. A month later, the Chinese subsequently re-captured Maryang San from the British during fierce fighting, and it was never re-gained. Today, the battle is widely regarded as one of the Australian Army's greatest accomplishments during the war.

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