Midget submarines and new kind of communication technology would revolutionize scientific and military operations.

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Kimmo Huosionmaa

Infrasound is the fascinating thing, It can be used for many purposes, and one of them is underwater communication technology. In this technology, the modified SONAR systems are used for communicating with small drone-submarines. Those systems allow operating inside the caves and shipwrecks by using remote-controlled miniature submarines.

That system is actually very similar, what was used to take fascinating pictures inside of shipwreck of ocean liner R.M.S Titanic. That system, what was used to take original pictures of that ocean liners inner space was used wires to communicate small Jason robot and Alvin submarine. But there is many limits in this kind of system, what uses cables to control that robot. The modified sonar system, what is used to communicate with modern midget submarines is actually the same kind of underwater telephone, what is used to communication between naval vessels. In this system would the modem just being installed to that underwater telephone.

Underwater modem system would use also LRAD-equipment, what makes possible to send the sound to the drone by using the very thin beam of the voice. Underwater modems are basically same, what are used in 1980's and 1990's. But modern technology makes them faster. If we are talking about scientific drones, what are used to search inside space of shipwrecks, they can also equipped with inertial or gyroscope navigation system, what allows them to record the route, and if the SONAR-communication would cut, the drone would drive it's route back to the point, where it takes the contact. Those systems can also make the train, where those drones would use together as the relay drones, what allows them to operate in very complicated spaces.

There is one big benefit for voice communication compared with LASER-based systems. Lasers need visual contact between transmitters, and if this drone would land behind something, what denies the are contact between transmitters would the communication shut down. When we are talking about military versions of that kind of equipment, we can imagine the small size submarine, what is following some ship below it.

In this scenario the nuclear powered miniature submarine, what could actually be like U.S Navy's Swimmer Delivery Vehicle, but it can be powered by RTG or radio thermal generator, but they can also use conventional power sources like power cells. In those situations, the most effective fuel for those power cells is hydrogen, because it keeps the electrodes clean. That submarine can be carried torpedoes or small submarine launch missiles, and it can be operated from nuclear submarines or surface warships. That submarine can also use to operate with combat scuba diving missions because those torpedoes can be installed outboard its hull.

Deep dived drones can re-arm by using similar CURV or controlled underwater recovery vehicle drone submarines, what are using in underwater rescue missions. So in this kind of cases, the drone can be called in the certain point to the ocean, and then combat diving team would get those men for the mission. Those miniature drone-submarines can deliver to operation from other submarines, they could travel to target independently, or they can drop from airplanes like C-5 or C-130. Or even shoot by rockets from space-centers. In the last case the is like Atlas would carry the drone by Earths orbiter, and then it would land like spacecraft and it can be equipped with thermal shield and parachutes.

Space delivery systems would be useful in the cases where need extremely fast reactions, like submarine accidents, where is needed extreme fast reaction to secure the wreck and it's top secret communication and other systems. Those drones can also use for intelligence missions to harbors. Underwater robots can also operate from ground stations, by using communication buoys. Those buoys can deliver from the satellites, and then the satellite can use that buoy as the relay-station for communication. Then the submarine can collect it from the sea because that would deny that equipment getting to unauthorized hands.

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