160113-N-PO203-073 ARLINGTON, Va. (Jan. 13, 2016) Rear Adm. Mat Winter, chief of naval research, talks with exhibitors during the 28th annual Surface Navy Association (SNA) National Symposium. The Department of the Navy’s Office of Naval Research provides the science and technology necessary to maintain the Navy and Marine Corps’ technological advantage. (U.S. Navy photo by John F. Williams/Released)