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 the Iron Triangle While the 52nd Infantry remained in reserve holding the An Dien perimeter, two battalions of the 48th Infantry moved south and west to protect the southern flank of Task Force 318 as it advanced along Route 7 towards Base 82. To the south, the 43rd Regiment maintained contact with the 272nd Regiment. Meanwhile the PAVN 9th Division had withdrawn the remnants of the 95C Regiment from action and placed its 271st Regiment at Base 82, where it prepared deep, mutually supporting defensive positions. Clearly indicating its resolve to conduct a determined defense along Route 7 in the Iron Triangle, COSVN