Undersea fiber optic network is one of the weaknesses of the West world. Defending them against sabotage is very difficult. Alternatives have been proposed to be the Satellites. However, there is a much cheaper alternative, the balloons. We can deploy telecommunication relay balloons over the sea. The balloons would be filled with hydrogen generated from the sea water using the off shore wind farms. The altitude of the balloons would be around 20 to 25 km where the wind speed is minimum. At that altitude high speed laser communication would be possible among the relay balloons. Therefore, much higher communication speeds can be achieved compared to satellites. Deploying balloons is much cheaper and faster compared to satellites and new ones can be deployed in short notice. Trans-Atlantic relays can be deployed from ships. These balloons would also be used for Earth observations and scientific research. They would be powered by solar cells.
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