Secretary Gates reviews the troops with Vietnamese Minister of Defense Gen. Phung Quang Thanh. Secretary of Defense Robert M. Gates reviews the troops with Vietnamese Minister of Defense Gen. Phung Quang Thanh during a Guards of Honor Ceremony commemorating the official U.S. visit to the Vietnamese Military headquarters in Hanoi, Vietnam, on Oct. 11, 2010. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 284638-D-RJJ97-295.jpg Photo Gallery