Marine Meeting Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, meets with Marine security guards at the U.S. Embassy in Mexico City, Sept. 13, 2018. DoD photo by Army Sgt. James K. McCann SHARE IMAGE: Download Image: Full Size (0.46 MB) Photo By: Sgt. James K. McCann VIRIN: 180913-D-SW162-1164.JPG Photo Gallery