180110-N-TV402-149 CRYSTAL CITY, Va. (Jan. 10, 2018) Rear Adm. Ron Boxall, director, Surface Warfare Division, and Rear Adm. John Tammen, director, Undersea Warfare Division, address attendees at the Preserving Our Naval Advantage: Investing for the Future panel during the Surface Navy Association’s 30th National Symposium. This year's symposium focuses on "Surface Forces and Cross-Domain Integration," highlighting common procedures and combined exercises across air, land, maritime, space and cyberspace domains in preparation for a more powerful and integrated Naval Surface Force. (U.S. Navy photo by Mass Communication Specialist 3rd Class Timothy Hale/Released)