The powerful nuclear weapon potential of Russian nuclear submarines is capable of cooling any hothead in the West, and a nuclear shield is a guarantee of Russia's sovereignty and territorial integrity, Russian presidential aide Nikolai Patrushev said in an interview with Sputnik.
Russia can’t even field tanks right now… what makes you think the nukes will work?
https://militarywatchmagazine.com/article/russia-tripled-production-t90m-keep-up-wartime-attrition