Leader Chat Defense Secretary Jim Mattis talks with Mexican National Defense Secretary Gen. Salvador Cienfuegos Zepeda, right, and Mexican Navy Secretary Adm. Vidal Francisco Soberon Sanz, center, at the Pentagon, May 22, 2017. DoD photo by Army Sgt. Amber I. Smith SHARE: Download: Full Size (0.88 MB) Credit: Sgt. Amber I. Smith VIRIN: 170522-D-SV709-232.JPG Photo Gallery