These are old, and one was probably responsible for the Kursk catastrophe many years ago. I'm speaking of high-power, nuclear, "tsunami-making" torpedoes that P

These are old, and one was probably responsible for the Kursk catastrophe many years ago. I'm speaking of high-power, nuclear, "tsunami-making" torpedoes that Putin mentioned in a presentation in March 2018. Nobody knows how these look, however, nor the hypersonic nuclear cruise missile.