Office of the Historian U.S. Department of State, Declassified Memorandum 1918 births 1973 deaths 1973 murders in Africa 20th-century American naval officers Ambassadors of the United States to Sudan American terrorism victims American people murdered abroad Kidnapped diplomats Assassinated American diplomats University of Missouri alumni Harvard University alumni University of Missouri faculty Burials at Arlington National Cemetery Kidnapped American people Terrorism deaths in Sudan People murdered in Sudan Deaths by firearm in Sudan Victims of the Black September Organization People from Oklahoma City People from Moberly, Missouri United States Navy personnel of World War II United States Foreign Service personnel