160517-N-PO203-190 NATIONAL HARBOR, Md. (May. 17, 2016) Rear Adm. Mat Winter, chief of naval research, holds a press conference at the Office of Naval Research (ONR) exhibit during the 2016 Sea-Air-Space Exposition. Sea-Air-Space is hosted by the Navy League of the United States with the goal of bringing together leaders from defense organizations, both government and private industry, to learn about and view the most up-to-date information and technology related to maritime policy. (U.S. Navy photo by John F. Williams/Released)