Key Facts
- Dates
- 11–15 February 1951
- Duration
- 5 days
- PVA divisions engaged
- 3
- ROK unit destroyed
- 8th Infantry Division disintegrated
- Result
- PVA victory; heavy UN casualties
Strategic Narrative Overview
Three PVA divisions launched a coordinated assault on the ROK 8th Infantry Division on 11 February 1951, overwhelming its defenses within hours. As the South Korean infantry screen collapsed, U.S. armored and artillery units began retreating down the sole road through the narrow valley north of Hoengsong. PVA troops infiltrated cross-country to outflank the withdrawing column, trapping and attacking it over the following days and inflicting severe losses.
01 / The Origins
Following the United Nations' successful Operation Thunderbolt counteroffensive, the Chinese People's Volunteer Army was pushed northward along the Korean peninsula. As part of its Fourth Phase Offensive, the PVA sought to regain the initiative by striking back at UN forces in the Hoengsong area, targeting a vulnerable segment of the line held by the Republic of Korea Army's 8th Infantry Division, which was supported by U.S. armor and artillery.
03 / The Outcome
By 15 February 1951, the battle concluded with a decisive PVA victory. Hundreds of U.S. soldiers were killed, and the ROK 8th Infantry Division effectively disintegrated as a fighting force. The PVA temporarily recaptured the initiative in the region, marking the engagement as one of the most damaging defeats suffered by U.S. and allied forces during the Korean War before UN lines stabilized.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Side B
1 belligerent
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.