DARPA Discovers "GPS-Like" UnderSea Drone Technology
Scout Warrior
Sunday at 1:48 PM
Using underwater acoustic signals, a surface buoy, beacon or “node,” and GPS signals in a coordinated fashion, the Positioning System for Deep Ocean Navigation is able to quickly relay location coordinates from undersea drones on patrol to command and control systems on board a ship or submarine.
http://www.scout.com/military/warrior/story/1755129-darpa-explores-undersea-gps-like-network
