150204-N-BK435-024 WASHINGTON (Feb. 4 2015) Attendees transit an exhibit hall during the Naval Future Force Science and Technology EXPO. The two-day event, hosted by the Office of Naval Research, highlights the requirements, challenges and new opportunities in nine science and technology focus areas, with an emphasis on innovations for the future force. (U.S. Navy photo by Mass Communication Specialist 1st Class Jeremy Starr/Released)