The Unknown Known, is a 2013 American documentary film about the political career of former U.S. Secretary of Defense and congressman Donald Rumsfeld, an American retired politician and businessman, heserved as the 13th Secretary of Defense from 1975 to 1977 under which President?
Donald Rumsfeld Donald Henry "Don" Rumsfeld (born July 9, 1932) is an American retired politician and businessman. Rumsfeld served as the 13th Secretary of Defense from 1975 to 1977 under President Gerald Ford, and as the 21st Secretary of Defense from 2001 to 2006 under President George W. Bush. He is both the youngest and the second oldest person to have served as Secretary of Defense. Additionally, Rumsfeld was a three-term U.S. Congressman from Illinois (1963–1969), Director of the Office of Economic Opportunity (1969–1970), Counsellor to the President (1969–1973), the United States Permanent Representative to NATO (1973–1974), and White House Chief of Staff (1974–1975).
James Mattis James Norman "Jim" Mattis (born September 8, 1950) is a retired United States Marine Corps general who is the 26th and current United States Secretary of Defense, serving in the Cabinet of Donald Trump. Mattis was previously the 11th Commander of United States Central Command during the presidency of Barack Obama, and was responsible for American military operations in the Middle East, Northeast Africa, and Central Asia.