Canadian Maj. Gen. Langpon escorts Secretary Gates. Canadian Maj. Gen. Langpon (left) escorts Secretary of Defense Robert M. Gates upon his arrival in Banff, Canada, on Sept. 2, 2008. Gates is in Canada to attend the 8th Conference of Defense Ministers of the Americas. SHARE: Download: Full Size (0.1 MB) Credit: VIRIN: 601074-F-YPA03-421.jpg Photo Gallery