Iron Triangle (Vietnam) bureau members Phạm Hùng and Lê Đức Thọ, and southern military commander Trần Văn Trà all joined together in the Iron Triangle region to orchestrate the final, decisive attack on Saigon. The area had remained allied with the nationalist communist forces from the beginning of the French war in 1946 to the fall of Saigon in 1975: an exception in a country often torn region by region between control by American forces and control by the Viet Cong. Iron Triangle (Vietnam) The Iron Triangle (Vietnamese:"Tam Giác Sắt") was a area in the Bình Dương Province of Vietnam, so named due
Battle of the Iron Triangle especially in the northern part, were thick with elephant grass, higher than a man's head. The surface was scarred by countless bomb and shell craters so that vehicular movement off the narrow, rough dirt roads was nearly impossible; even tracked vehicles had difficulty. A vast network of tunnels and trenches, most of them caved-in and abandoned, laced this ground that had been the scene of battles since the First Indochina War. A weak string of three ARVN outposts protected the northern edge of the Triangle, from Rach Bap () on the west, close by the Saigon River, along local Route