"Tet Offensive attack on the U.S. Embassy" . "U.S. Embassy Saigon" . "Embassy of the United States, Saigon" . "exploded outside the American Embassy in Saigon" . "American embassy" . . . "US embassy in Saigon" . "U.S. Embassy, Saigon" . . . "U.S. Embassy's" . "Saigon embassy" . "American Embassy" . "Augmenting the 18 embassy guards prior to the Fall of Saigon" . "U.S. embassy" . . "American Embassy in Saigon, Vietnam" . . . "U.S. Embassy to South Vietnam" . "Vietcong car bomb" . . "US embassy" . "embassy" . "U.S. embassy in Saigon" . "embassy in Saigon" . "American Embassy in Saigon" . . "US Embassy" . "Embassy" . "US Embassy, Saigon" . . . . . "U.S. Embassy in Saigon" . "attack on the American embassy" . . "Embassy of the United States, Saigon" . "US Embassy in Saigon" . . . "United States Embassy in Vietnam" . . "U.S. Embassy bombing" . . "U.S. Embassy" . .