PENTAGON WELCOME U.S. Defense Secretary Robert M. Gates, right, escorts Chinese Gen. Xu Caihou, left, vice chairman of the Central Military Commission, Chinese People's Liberation Army, through an honor cordon into the Pentagon, Oct. 27, 2009, for security talks. SHARE IMAGE: Download Image: Full Size (0.08 MB) Photo By: VIRIN: 201743-B-FPO26-816.jpg Photo Gallery