Anti-Submarine Warfare Artist’s concept of a new class of ocean-going vessel designed, developed and built through DARPA’s anti-submarine warfare continuous trail unmanned vessel, or ACTUV, program. The 132-foot ship is able to travel thousands of miles over open seas for months at a time with no crew members aboard. According to DARPA, ACTUV embodies breakthroughs in autonomous navigation and operation with the potential to revolutionize U.S. maritime operations. DARPA image SHARE: Download: Full Size (0.69 MB) Credit: DARPA image VIRIN: 160406-D-XX999-999.JPG Photo Gallery