Secretary of Defense Donald H. Rumsfeld prepares to greet guests at a reception in his honor at the Pentagon. Secretary of Defense Donald H. Rumsfeld prepares to greet guests at a reception in the Eisenhower Corridor following the welcoming ceremony in his honor at the Pentagon on Jan. 26, 2001. Rumsfeld was sworn in as the 21st secretary of Defense in a ceremony at the White House Oval Office earlier today. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 421416-N-JCO02-782.jpg Photo Gallery