Talk and Walk Marine Corps Gen. Joseph F. Dunford Jr., left, chairman of the Joint Chiefs of Staff, walks with Navy Adm. Kurt W. Tidd, commander, U.S. Southern Command, at the command's headquarters in Miami, March, 8, 2016. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro SHARE IMAGE: Download Image: Full Size (1.82 MB) Photo By: Navy Petty Officer 2nd Class Dominique A. Pineiro VIRIN: 160308-D-PB383-116C.JPG Photo Gallery