Secretary Cohen responds to a reporter's question during a press conference at NATO Headquarters in Brussels. Secretary of Defense William S. Cohen responds to a reporter's question during a press conference at NATO Headquarters in Brussels, Belgium, on Dec. 5, 2000. This is Cohen's last scheduled trip to NATO Headquarters as defense secretary. SHARE: Download: Full Size (0.02 MB) Credit: VIRIN: 188594-L-JIX13-310.jpg Photo Gallery