Secretary of Defense William S. Cohen greets President S.R. Nathan of Singapore. Secretary of Defense William S. Cohen (left) greets President S.R. Nathan (right), of Singapore, at his office on Oct. 2, 1999. Cohen is traveling through the Western Pacific to meet with senior government leaders. SHARE: Download: Full Size (0.04 MB) Credit: VIRIN: 101123-T-VXV86-199.jpg Photo Gallery