One of the main components of the DASH is a network of deep-sea autonomous sonar called TRAPS. Pass

Defense science agency DARPA announced the successful testing of two unmanned underwater vehicles designed to detect submarines. The new system will be automatic and DASH combination: distributed sensors detect submarine and send them unmanned.
One of the main components of the DASH is a network of deep-sea autonomous sonar called TRAPS. Passive sonar TRAPS will be located cctv5 in certain places on the ocean floor and are able to communicate with the network nodes on the surface using a wireless acoustic modem sends sound signals similar to knock sonar, which can be heard in films about World War II submarine. Thus, formed a network of passive sensors capable of detecting sound submarines and transmit its coordinates control center. Sensor network TRAPS make useless different trompe l'oeil and jammers, besides, it will be difficult to wipe out all at once. In DARPA does not hide the fact that this is a real network TRAPS technical adventure. For example, it is difficult to say whether autonomous sonar to work on the seabed for a long time, as will work reliably bond, and not hacked or enemy hackers network, etc. Nevertheless, the benefits cctv5 of such a network, justify the risks. The second component of the system DASH - is deep robot SHARK, like a big yellow torpedo. It is equipped with active sonar, and is designed to establish the exact location of enemy submarines, even if it is hiding at the bottom of the reactor and drowned. SHARK originally planned to run from the existing submarines and surface ships, but in the future, such devices will be completely autonomous and can refueled yourself. Details about the device, cctv5 the range of stroke and other characteristics SHARK DARPA representatives do not sound. However, judging by the size of the robot even on existing technologies electric ship it can go under water for at least 40-50 km. Obviously, this is only enough to work near the narrow straits and in limited areas of the world ocean, so that serial SHARK need new sources of energy. Recently, the Pentagon pays particular attention to combating submarines. Already launched a number of projects on the use of unmanned vehicles for detecting submarines, and is currently being explored the option of establishing an autonomous distributed network which is not to allow the submarine underwater cctv5 freely cross the invisible boundaries.
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