A soldier from the 173rd Airborne Brigade Combat Team runs during the 173rd's 6th annual "Running of the Herd," at Forward Operating Base Airborne, Nov. 8, 2012. Since the first event in 2007, the Sky Soldiers continue to run every year on Nov. 8, a date that refers to the brigade’s actions during Operation Hump in Vietnam that left 48 Americans dead after being ambushed by Viet Cong fighters. Since the Vietnam War and until the present, the 173D ABCT has lost more than 1,800 Sky Soldiers.