160610-N-IJ355-204 WASHINGTON (June 10, 2016) Vice Adm. William Hilarides, outgoing commander, Naval Sea Systems Command (NAVSEA), waves to the crowd during a change of command ceremony today at the Washington Navy Yard. NAVSEA provides centralized surface ship life cycle maintenance engineering, class maintenance and modernization planning, and management of maintenance strategies. (U.S. Navy Photo by Alan Baribeau/Released)