... the ground gained. Meanwhile to the east, X Corps units moved forward to protect the right flank of the IX Corps advance. This soon led to another engagement between UN forces and the enemy near the Twin Tunnels area south of Chip'yong-ni. ...

... with IX Corps's reconnaissance force. Although the initial advance of a reconnaissance patrol to the south of Chip'yong-ni resulted to no enemy encounter, the second advance to the twin railroad tunnels that cut through the mountains entailed strong enemy force encounters and severe casualties...

...As the fight persisted on the southern part of the perimeter of the 23d Infantry, the 5th Cavalry's fight initiated so that the road to Chip'yong-ni would be opened. In the first part of the chapter, the actions were described by the following involved officers: Maj. Robert A. Humphrey, Major...

... in the center of the line, where it seemed repeatedly to take the toughest attacks from the enemy. One of those attacks resulted in the epic battle at Chip’yong-Ni. Ridgway launched a series of offensives into the spring that advanced the Eighth Army north, while the CCF and NKPA continued to attack south...

...Intelligence reports of a buildup of the Chinese between Chip'yong-ni and Hongch'on were confirmed because of the attack on some of the 23d Infantry Regiment units in the Twin Tunnels area. From this base, the enemy is capable of attacking through the Han River Valley or through the Wonju road...

...While those who remained from Support Forces 7 and 21 and the 38th Infantry Regiment arrived at the new defensive line established above Wonju on February 13 1951, the Chinese were able to surround the 23d Infantry Regiment at the main crossroads in Chip'yong-ni. General Almond planned to withdraw...