Battle of the Iron Triangle ending a bitter four-month struggle. Following the withdrawal from Base 82 COSVN organized a new corps headquarters in the Tay Ninh- Binh Long region and designated it the 301st Corps. This corps would soon direct the combat operations of the 7th and 9th NVA Divisions, separate regiments, and additional formations already en route from North Vietnam. Meanwhile General Thuần decided to rest the tired troops of the 5th Division and turned his attention to sending his 25th Division to clear out the PAVN bases in the Ho Bo area west of the Iron Triangle. The ARVN defenses around An Dien
Battle of the Iron Triangle Lt. Gen. Dư Quốc Đống. General Đống immediately surveyed the situation in the Iron Triangle and reviewed the plan of his predecessor, which as modified became operation Quyet Thang 18/24 (Operation Will to Victory). Battalions from all three divisions of the corps were committed; D-Day was 14 November. The 9th Infantry, 5th Division started from An Dien and marched west, along Route 7, past Base 82 toward Rach Bap. The 48th and 52nd Regiments, 18th Division crossed the Thi Thinh River south of Ben Cat and entered the Iron Triangle and attacked west toward the Saigon River. Elements of the