Battle of the Iron Triangle had achieved combat parity and were pushing against the ARVN's outer line of defense around Saigon. Battle of the Iron Triangle The Battle of the Iron Triangle took place from 16 May to 20 November 1974, when the People's Army of Vietnam (PAVN) 9th Division captured Rach Bap and An Dien The Army of the Republic of Vietnam (ARVN) regained the lost towns in a series of costly counterattacks. The Iron Triangle was an important strategic location, bounded on the north by the jungle and overgrown rubber plantations of the Long Nguyen Secret Zone, on the west by the Saigon
Battle of Triangle Hill Battle of Triangle Hill The Battle of Triangle Hill, also known as Operation Showdown or the Shangganling Campaign (), was a protracted military engagement during the Korean War. The main combatants were two United Nations infantry divisions, with additional support from the United States Air Force, against elements of the 15th and 12th Corps of the People's Republic of China. The battle was part of American attempts to gain control of "The Iron Triangle", and took place from October 14 – November 25, 1952. The immediate American objective was Triangle Hill (), a forested ridge of high ground north of