 Because of the earlier UN defeat at the Battle of Unsan , the US 25th Infantry Division expected to encounter heavy Chinese resistance during its advance . But the Chinese screening forces withdrew with the American advance . Aside from the harassing fire , the US 25th Infantry Division did not encounter strong resistance along the way . Ipsok was captured by Task Force Dolvin on November 24 , and several American POWs from the Unsan battle were also recovered at the town . When Task Force Dolvin proceeded to capture a series of hills north of Ipsok on the next day , Chinese resistance started to stiffen . During the hill battles on the afternoon of November 25 , the Eighth Army Ranger Company of Task Force Dolvin suffered heavy losses against the Chinese defenses , and the task force stopped its advance at dusk . 
