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Battle of Osan

The Battle of Osan (Korean: 오산 전투) was the first engagement between the United States and North Korea during the Korean War. On July 5, 1950, Task Force Smith, an American task force of 540 infantry supported by an artillery battery, was moved to Osan, south of Seoul, the capital of South Korea, and was ordered to fight as a rearguard to delay the advancing North Korean forces while more US troops arrived to form a stronger defensive line to the south. The task force lacked both anti-tank guns and effective infantry anti-tank weapons and had been equipped with obsolete 2.36-inch (60 mm) rocket launchers and a few 57 mm recoilless rifles. Aside from a limited number of HEAT shells for the unit's 105 mm howitzers, crew-served weapons that could defeat T-34/85 tanks from the Soviet Union had not yet been distributed to the US Army forces in South Korea.

A North Korean tank column equipped with ex-Soviet T-34/85 tanks overran the task force in the first encounter and continued its advance south. After the North Korean tank column had breached US lines, the task force opened fire on a force of some 5,000 North Korean infantry that were approaching its position, which held up their advance. North Korean troops eventually flanked and overwhelmed the US positions, and the rest of the task force retreated in disorder.

Battle[edit]

Tank columns[edit]

At around 0730 on July 5,[1] Task Force Smith spotted a column of eight North Korean T-34/85 tanks of the 107th Tank Regiment, North Korean 105th Armored Division heading south toward them.[26] The North Korean forces, driving south from Seoul, pursued retreating South Korean forces.[27] At 08:16, the artillery battery fired its first rounds at the advancing North Korean tanks.[7] The tanks, which were around 2 km (1.2 mi) from the infantry force, were hit with numerous 105 mm howitzer rounds, but they were unaffected.[1] When the tanks closed to 700 m (2,300 ft), the 75 mm recoilless rifles fired and scored direct hits on the lead tanks but did not damage them.[11] The North Korean tanks returned fire but could not locate the American positions and gun emplacements, and their fire was ineffective.[1][11]

Memorial[edit]

There is a memorial park - 'Osan Jukmiryeong Peace Park' in Osan. This park has museum and monument and opened in July 2020.[53]

Official website of Osan Jukmiryeong Peace Park

. Archived from the original on July 18, 2012.

"American Ground Forces Enter the Battle"

First US Battle in Korea: Task Force Smith at Osan, 5 Jul 50

Memorial monument for the Battle of Osan