Secretary Cohen escorts Minister of Defense Edmundo Perez Yoma into the Pentagon. Secretary of Defense William S. Cohen (right) escorts Minister of Defense Edmundo Perez Yoma (left), of the Republic of Chile, into the Pentagon on Nov. 9, 1999. Cohen and Perez Yoma will meet to discuss defense issues of interest to both nations. SHARE IMAGE: Download Image: Full Size (0.05 MB) Photo By: VIRIN: 233147-X-MIA32-331.jpg Photo Gallery