in the fourth phase battle, the 38th corps were deployed on the south bank of the han river to defend against us 24th infantry division, us first cavalry division, british 27th brigade and rok 6th division. during 50 days fierce fight, the 38th corps estimated that it inflicted more than 10,800 casualties on unc, but the 38th corps suffered 3,359 killed which accounts for some 50% of all the 38th corps soldiers killed in korean war.