Donald H. Rumsfeld (right) is administered the oath of office as the 21st Secretary of Defense by David O. Cooke (left), as Joyce Rumsfeld holds the Bible in a ceremony at the Eisenhower Executive Office Building on Jan. 20, 2001. Rumsfeld was previously the 13th Secretary of Defense from 1975 to 1977. Cooke is the director of Administration and Management at the Department of Defense. Photo by Hyungwon Kang, White House Photo.