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 Triangle on the night of 2/3 June, The fighting at An Dien wos especially fierce on 3 June as the PAVN used tanks against ARVN infantry. Armed with light antitank weapons, ARVN infantry knocked out at least 4 tanks in the final day of the battle. On 4 June, troops of the 18th ARVN Division finally entered An Dien and on the 5th overran the last position of the 95C Regiment, which had since been reinforced by elements of the 271st Regiment. On the morning of the 5th, two battalions of the 48th and two of the 52nd were holding