181212-N-PO203-0039 HONOLULU, Hawaii (Dec. 12, 2018) The National University of Singapore team launches their autonomous surface vehicle during the Office of Naval Research (ONR)-sponsored Maritime RobotX Challenge in Honolulu, Hawaii. Fifteen teams from the United States, Australia and Asia, compete in the biennial challenge 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)