South Vietnam, August 1968: Spc. 4 Lewis Colberson of Levittown, Pa., uses his canteen cup to give some water to a puppy that has just arrived in Vietnam with troops from 6th Battalion, 31st Infantry, 9th Infantry Division. The dog's owner, Lt. Regis Milan of Pittsburgh, Pa., carried the canine from from Fort Lewis, Wash., in his suitcase.