Mexican Navy Secretary Adm. Mariano Saynez presents a gift to Defense Secretary Robert M. Gates at the navy headquarters in Mexico City, April 30, 2008. Mexican Navy Secretary Adm. Mariano Saynez presents a gift to Defense Secretary Robert M. Gates at the navy headquarters in Mexico City, April 30, 2008. SHARE: Download: Full Size (5.72 MB) Tags: Photo Essays Credit: VIRIN: 774601-L-DFO20-355.jpg Photo Gallery