181215-N-PO203-0194 HONOLULU, Hawaii (Dec. 15, 2018) UoN RobotX, an autonomous surface vehicle from the University of Newcastle in Australia, launches a racquetball at the target during the detect and deliver challenge 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)