[5]: 175–8 In Operation Birmingham from 24 April to 17 May 1966, U.S./ARVN forces engaged elements of the division in Tây Ninh Province killing over 100.
[8]: 136–40 The PAVN claimed that they inflicted 1,200 casualties on the U.S. forces, destroyed 72 armored vehicles and 19 artillery pieces and shot down 10 aircraft.
[8]: 147 The PAVN claimed that throughout the course of the operation they eliminated 14,000 U.S. troops, destroyed 775 tanks and armored personnel carriers and 112 artillery pieces and shot down 160 aircraft for the loss of 280 of their own soldiers.
During the Tet Offensive the division's 271st and 272nd Regiments unsuccessfully attempted to interdict roads around Củ Chi Base Camp to prevent movement by U.S.
[9]: 353 The 273rd Regiment was supposed to attack the town of Thủ Đức but was detected and engaged in the village of An My, losing 343 killed.
[9]: 575 During the Phase III Offensive on 18 August 1968, a battalion from the 273rd Regiment, 9th Division, unsuccessfully attacked Firebase Buell II losing 104 dead and 8 captured.
[4]: 281 During Operation Chenla II from 20 August to 3 December 1971, the division defeated units of the Khmer National Army (ANK) who attacked their base areas in eastern Cambodia.
The division claimed to have killed or dispersed 10,000 ANK troops and captured 4,700 weapons, 100 radios, 50 trucks and 150 tons of ammunition.
[12] The PAVN history acknowledges that "our units suffered heavy casualties and over half the tanks we used in the battle were destroyed.
[13]: 76 In the Battle of the Iron Triangle from 16 May to 20 November 1974, the Division's 95C Regiment suffering heavy losses in the fighting at An Dien in May/June.
This article incorporates public domain material from websites or documents of the United States Army Center of Military History.