An unmanned 27-foot harbor security boat from Naval Surface Warfare Center Carderock operates autonomously during an Office of Naval Research-sponsored demonstration of swarmboat technology on the James River in Newport News, Va. During the demonstration as many as 13 Navy boats, using an Office of Naval Research-sponsored system called CARACaS (Control Architecture for Robotic Agent Command Sensing), operated autonomously or by remote control during escort, intercept and engage scenarios. (U.S. Navy photo by John F. Williams/Released)