Navy Adm. Kurt W. Tidd, commander of U.S. Southern Command, discusses the virtues of sea power in his keynote address at the Surface Navy Association’s 29th National Symposium in Washington, D.C., Jan. 12, 2017. The Jan. 10-12 symposium featured a number of speakers encouraging dialogue and sharing innovations in the surface warfare community. DoD photo by Amaani Lyle