UPI photographer Nguyen Thanh Tai wounded in Vietnam

An Army medic aids UPI Photographer Nguyen Thanh Tai after he was wounded by the explosion of a Viet Cong booby trap, 15 miles south of Saigon. Tai was one of six men injured by the blast, which was triggered by a trip-wire. The incident occurred during Operation Enterprise on April 4, 1967. (UPI Photo/Files)