American intervention 1965 1966 1967 Tet Offensive and aftermath Vietnamization 1969–1971 1972 Post-Paris Peace Accords (1973–1974) Spring 1975 Air operations Naval operations Lists of allied operations The Battle of Ap Bau Bang (Vietnamese: trận Bàu Bàng) took place on the morning of 12 November 1965 when two regiments from the Viet Cong (VC) 9th Division attacked a night defensive position of the United States 2nd Battalion, 2nd Infantry Regiment (2/2nd Infantry) at a small village (ấp) of Bàu Bàng, in today's Bàu Bàng district, 25 km north of Thủ Dầu Một.

[1]: 80 The commander of the VC 9th Division, Senior Colonel Hoàng Cầm decided to attack the American forces, gathering his units on the afternoon of 11 November.

[1]: 81 On the night of 11 November several mortar rounds hit Shuffer's central position and a night ambush killed two VC[1]: 81 At 06:05 on 12 November, as Shuffer's forces prepared to start patrolling Highway 13, the VC launched their attack.

[1]: 83–4 At 09:00 the VC launched a final assault from the north, but were met with concentrated artillery fire and air strikes.

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