The operation was conducted in order to assist the Cambodian Khmer National Armed Forces (FANK) in reopening and re-establishing security along Route 4.

In September 1970, Khmer Rouge forces together with units of the People’s Army of Vietnam (PAVN) 1st Division, had closed this line of communications by occupying the Pich Nil Pass (11°11′42″N 104°04′26″E / 11.195°N 104.074°E / 11.195; 104.074).

[1]: 129 Forces for the operation consisted of the Army of the Republic of Vietnam 4th Armor Brigade and 4th Ranger Group from IV Corps.

When the smoke cleared 200 of the enemy lay dead and 75 weapons, including 2 75mm recoilless rifles and three heavy machine guns.

After helping the Cambodians set up strongpoints the 4th Armor Brigade withdrew towards South Vietnam, arriving by 25 January.

This article incorporates public domain material from websites or documents of the United States Army Center of Military History.