This Tuesday Aug. 12, 2014 photo provided by the U.S. Navy shows an Four unmanned remotely operated high-speed maneuvering surface targets as they move to their blocking positions during an Office of Naval Research demonstration of autonomous swarmboat technology on the James River in Newport News, Va. During the demonstration as many as 13 Navy boats, using an ONR-sponsored system operated autonomously or by remote control during escort, intercept and engage scenarios. (AP Photo/U.S. Navy, John Paul Kotara)
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