Vice-Admiral Sir Clive Johnstone, former Commander of NATO's Maritime Command, who died on May 16th, 2024 said in a recent interview with IHS Jane's that the Alliance sees "more activity from Russian submarines than we've seen since the days of the Cold War.

Commander says "a lot of what the Russians are doing at the moment we don't understand, and is obscure."

Nuclear weapons also lay hidden under Arctic ice

Such as submarine «Yury Dolgoruky» that carries up to 16 Bulava-missiles, each holding six to ten nuclear warheads.