PORTUGUESE MINISTER U.S. Defense Secretary Robert M. Gates, right, escorts Portuguese Defense Minister Augusto Santos Silva through an honor cordon into the Pentagon, March 30, 2011. The two defense leaders were to hold bilateral security talks on a broad range of issues. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 314600-P-RUK02-992.jpg Photo Gallery