U.S. Navy Vice Adm. William Hunter Hilarides, left, commander of Naval Sea Systems Command (NAVSEA), listens to Rudy Giuliani former New York City mayor, speak to U.S. Sailors and employees with NAVSEA at the National Defense University on Fort Lesley J. McNair, D.C., Oct. 31, 2013. Giuliani visited NAVSEA and met with command leadership in the wake of the Sept. 16, 2013, shooting at the Washington Navy Yard.