The UN forces were nevertheless able to break out Process_start of the encirclement and to make a fighting Hostile_encounter withdrawal Escaping to the port of Hungnam , inflicting Damaging heavy casualties Catastrophe on the Chinese .

The retreat Escaping of the US Eighth Army from northwest Korea in the aftermath of the Battle of the Ch'ongch'on River and the evacuation of the X Corps from the port of Hungnam in northeast Korea marked the complete Process_end withdrawal Escaping of UN troops from North Korea .

US Marine units were supported Supporting in their withdrawal by the US Army 's Task Force Faith to their east , which suffered Bodily_harm heavy casualties Catastrophe and the full brunt of the Chinese offensive Attack .