The Battle Hostile_encounter of Masan was an engagement Hostile_encounter between United Nations Command ( UN ) and North Korean forces Causation , which took place Process_start early in the Korean War Military_operation between August 5 and September 19 , 1950 , in the vicinity of Masan and the Naktong River in South Korea .

The Battle Hostile_encounter of Masan was an engagement Hostile_encounter between United Nations Command ( UN ) and North Korean forces Causation , which took place Process_start early in the Korean War Military_operation between August 5 and September 19 , 1950 , in the vicinity of Masan and the Naktong River in South Korea .

Operating Being_in_operation as the extreme southern flank of the Pusan Perimeter , the US 25th Infantry Division placed Placing its regiments around the South Korean city of Masan , with the 24th Infantry Regiment and 5th Regimental Combat Team based in Haman and nearby Sobuk-san , and the 35th Infantry Regiment based along the Nam River to the west of the city .

An initial UN counteroffensive Attack out of Masan proved ineffective in stopping Process_end the KPA from advancing Cause_to_make_progress .