The Battle Military_operation of Chosin Reservoir , also known as the Chosin Reservoir Campaign Military_operation or the Battle Military_operation of Jangjin Lake ( ) was an important battle Military_operation in the Korean War Military_operation .

The Battle Military_operation of Chosin Reservoir , also known as the Chosin Reservoir Campaign Military_operation or the Battle Military_operation of Jangjin Lake ( ) was an important battle Military_operation in the Korean War Military_operation .

On 27 November 1950 , the Chinese force surprised Change_sentiment the US X Corps commanded Control by Major General Edward Almond at the Chosin Reservoir area .