U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, speaks at the Mexican Navy War College in Mexico City, Mexico, March 6, 2009. U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, speaks at the Mexican Navy War College in Mexico City, Mexico, March 6, 2009. SHARE IMAGE: Download Image: Full Size (3.39 MB) Tags: Photo Essays Photo By: VIRIN: 702576-G-QON38-585.jpg Photo Gallery