Battle of Hamburger Hill the steeply-sloped hill against well entrenched troops. Attacks were repeatedly repelled by the PAVN defenses. Bad weather also hindered operations. Nevertheless, the Airborne troops took the hill through direct assault, causing extensive casualties to the PAVN forces. The battle took place on Dong Ap Bia (Ap Bia Mountain, ) in the rugged, jungle-shrouded mountains of South Vietnam, from the Laotian border. Rising from the floor of the western A Sầu Valley, Ap Bia Mountain is a solitary massif, unconnected to the ridges of the surrounding Annamite range. It dominates the northern valley, towering some above sea level. Snaking down from
Battle of Hamburger Hill beginning a reduction of bunkers that continued through most of the afternoon. Some PAVN units were able to withdraw into Laos, and Hill 937 was secured by 17:00. The ARVN 2nd Battalion, 3rd Regiment, 1st Division participated in the battle. Recent research, particularly based on the statements by General Creighton W. Abrams in "The Abrams Tapes", says its role in the final assault was as follows: The unit was positioned on a stretch of the PAVN defense line that was lightly defended, and sent a scout party to test the forward enemy lines earlier than the proposed assault time; this