 As the Koreans were preparing their defensive positions on the dusk of November 25 , the two Chinese corps were mobilizing for a decisive counterattack against the Eighth Army 's right flank . The PVA 38th Corps planned to attack in full force against the ROK 7th Infantry Division 's center and right flank , while two divisions from the 42nd Corps started to march through the hills in order to bypass the ROK 8th Infantry Division 's right flank . Given the importance of this assault , Han Xianchu , one of Peng 's deputies , personally commanded the 38th and 42nd Corps for the rest of the battle . 
