A wounded U.S. soldier of the 1st Infantry Division, 26th Infantry Regiment, 1st Battalion, receives first aid after being rescued from a jungle battlefield south of the Cambodian border in Vietnam's war zone C, April 2, 1967. A reconnaissance platoon ran into enemy bunkers, and their recuers were pinned down for four hours in fighting that left 7 U.S. dead and 42 wounded. (AP Photo)