Secretary Cohen responds to a reporter's question during a Pentagon press briefing. Secretary of Defense William S. Cohen (left) responds to a reporter's question during a Pentagon press briefing with Chairman of the Joint Chiefs of Staff Gen. Henry H. Shelton (right), U.S. Army, on NATO Operation Allied Force, on May 12, 1999. SHARE: Download: Full Size (0.03 MB) Credit: VIRIN: 262647-V-JSA27-980.jpg Photo Gallery