Secretary Panetta escorts Canadian Minister of National Defence MacKay into the Pentagon Secretary of Defense Leon E. Panetta, right, escorts Canadian Minister of National Defence Peter MacKay through an honor cordon and into the Pentagon on Sept. 28, 2012. Panetta and MacKay will discuss national security items of interest to both nations. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 255717-S-MZW09-683.jpg Photo Gallery