Secretary Rumsfeld escorts Canadian Minister of Defense John McCallum into the Pentagon. Secretary of Defense Donald H. Rumsfeld escorts Canadian Minister of Defense John McCallum into the Pentagon on Jan. 9, 2003. The two defense leaders met to discuss security issues of mutual interest. SHARE IMAGE: Download Image: Full Size (0.14 MB) Photo By: VIRIN: 188340-F-RDY92-393.jpg Photo Gallery