President Nguyen van Thieu of South Vietnam visits Washington in 1973
President Nguyen van Thieu of South Vietnam is escorted by Vice President Spiro Agnew upon arrival at nearby Andrews Air Force base on April 4, 1973. Thieu is on the second leg of his U.S. trip for talks with Agnew, Administration officials and members of Congress on support for Saigon in the post-war period. (UPI Photo/tm/Files)
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