Ceremony Smiles Marine Corps Gen. Joseph F. Dunford Jr., chairman of the Joint Chiefs of Staff, passes command of U.S. Southern Command to Navy Adm. Kurt W. Tidd at the command's headquarters in Miami, Jan. 14, 2016. Tidd assumed command from retiring Marine Corps Gen. John F. Kelly. DoD photo by EJ Hersom SHARE: Download: Full Size (0.7 MB) Credit: EJ Hersom VIRIN: 160114-D-HG842-002.JPG Photo Gallery