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 and fight in a series of well prepared concentric bunker positions on Hill 937. Having made no significant contacts in its area of operations, at midday on 13 May, the 3rd Brigade commander, Colonel Conmy, decided it would move to cut off PAVN reinforcement from Laos and to assist Honeycutt by attacking Hill 937 from the south. Company B was heli-lifted to Hill 916, but the remainder of the 3/187th made the movement on foot, from an area from Hill 937, and both Conmy and Honeycutt expected the 1/506th to be ready to provide support no later than the morning