In a former life I earned my gold dolphins on USS Nautilus (SSN 571), the world's first nuclear submarine.
When I see reports like this one, it makes me wonder:
Russia conducted a test of a revolutionary nuclear-capable drone submarine that poses a major strategic threat to U.S. ports and harbors.
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It is extremely difficult to communicate with underwater vessels, drones included. If these drones are semi-autonomous, how are they communicating with the launch vehicle?
If they are not, or if they are communicating via wire, then they are just another torpedo ... albeit a very big torpedo.
Or is this just another "OMG, the Russians are EVIL, and we have to do something to stop them" story?
In any event, I do not consider Russia to be a threat. They really never have been. They've got better things to do than to mess with us.