160518-N-PO203-090 NATIONAL HARBOR, Md. (May. 18, 2016 Kimberly Flax with Hydronalix demonstrates an autonomous mobile buoy as part of the Office of Naval Research (ONR) exhibit at National Harbor 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)