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 the Triangle. The ARVN was strong with infantry, armor, and mutually supporting fire bases and outposts in Bến Cát District east of the Thi Thinh boundary of the Triangle, but only one bridge, a weak span, connected the district town and the Triangle hamlet of An Dien. On 16 May the PAVN 9th Division began their attack on with heavy artillery, rocket, and mortar concentrations falling on Rach Bap, Base 82, and An Dien. The RF company at Base 82 abandoned its bunkers, many of which had collapsed under the weight of the bombardment, late that afternoon. Rach Bap held