A U.S. paratrooper moves away after setting fire to house on bank of the Vaico Oriental River, 20 miles west of Saigon on Jan. 4, 1966, during a "scorched earth" operation against the Viet Cong in South Viet Nam. The 1st battalion of the 173rd airborne brigade was moving through the area, described as notorious Viet Cong territory. (AP Photo/Peter Arnett)