It's just routine in my opinion. As what can be expected since Russia isn't exactly allied with the US or UK in particular but saying it a new cold war ...well it just would not make perfect sense. Russia is no Soviet Union in strength and in political agenda.
The Akula skipper lost the game as he let his boat signature to be recorded by the Trafalgar. So we can surmise Trafalgar is still cutting age!
This sounds like a new DW scenario . . .
I'd worry more about China especially after the next 2 decades.