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 attached to the 5th Division in the Iron Triangle. The relief was accomplished on schedule, and a relative calm settled over the Base 82 battleground. The PAVN 9th Division also made adjustments during the last part of June and the first weeks of July. While the 272nd Regiment retained defensive positions in the southern part of the Iron Triangle, the 95C Regiment, refitted and with fresh replacements, returned to the Base 82 area and assumed responsibility for its defense. The 271st Regiment, held defensive positions in the Base 82 area, primarily to the north and northeast. Meanwhile, the 141st Regiment