alt Hacker Newsmy first association here would be steering of torpedoes. the US Navy must have been on this for decades and very deep pockets.
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7952 • today at 11:46 AM
Navies are known to use low frequency radio to send messages to submerged subs.
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Torpedoes are usually steered using fibre-optic wires, like the fibre-optic drones in Ukraine today, so there is no need for problematic low-frequency radio.