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 Guard Hill Battle of Guard Hill The Battle of Guard Hill, Battle of Crooked Run, or the Battle of Front Royal took place on August 16, 1864, in Warren County, Virginia as part of Philip H. Sheridan's Shenandoah Valley Campaign of the American Civil War. According to Pachan, the Union's superior numbers and quality leadership routed the Confederate infantry, and the battle proved a watershed event in the Shenandoah Valley campaign. HistoryNet's "America's Civil War: Front Royal Was the Key to the Shenandoah Valley" claims "The valley was vital both strategically and agriculturally to Major Gen. Stonewall Jackson during the early 1862.