181214-N-PO203-0120 HONOLULU, Hawaii (Dec. 14, 2018) Judges and staff check the operation of Queensland University of Technology's underwater vehicle, attached to their autonomous surface vehicle, during the next-to-last day of competition at the Office of Naval Research (ONR)-sponsored Maritime RobotX Challenge in Honolulu, Hawaii. Organized by RoboNation and Navatek, RobotX is designed to foster student interest in autonomous robotic systems operating in the maritime domain, with an emphasis on the science and engineering of cooperative autonomy. (U.S. Navy photo by John F. Williams/Released)