The Pentagon's advanced research projects agency intends to finish testing an unmanned vessel designed to track and trail enemy submarines in the next year and transition the program to the Navy, according to the program manager. Speaking at an Oct. 25 Association for Unmanned Vehicle Systems International conference in Arlington, VA, program manager Scott Littlefield said the Defense Advanced Research Projects Agency intends to finish testing the Anti-Submarine Warfare Continuous Train Unmanned Vessel, or ACTUV, program and hand it off...