A Russian submarine that just left Cuba appears to be 'falling apart' with its soundproofing panels falling off, analyst says
One of Russia's nuclear-powered cruise missile submarines appears to be "falling apart," an OSINT analyst said about photos of the vessel in Cuba.
I visited the USS Nautilus, the world's first nuclear-powered submarine. Take a look inside.
The USS Nautilus was the world's first nuclear-powered submarine. It participated in scientific and military operations ...
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US submarine deployed to Guantanamo as Russian flotilla arrives in Cuba
US authorities have ruled out that the presence of the nuclear-powered USS Helena submarine at the Guantanamo Bay base in Cuba had anything to do with the presence of a Russian flotilla in Havana.
Business Insider4d
Why hunting submarines could get a lot harder as the seas heat up
The world's oceans are changing, with rising temperatures and different salinity levels. Submarine warfare could be directly affected, and it could be harder to detect the vessels in some areas.