I know about them but bro that was over 50 years ago, precision manufacturing is so wildly different now you might as well be comparing with copying a 12lber cannon from the civil war or some dumb
You're basing your conclusions regarding Russian military capability on what is known publicly. What matters is what is known only to those inside the US intelligence community.
Last year I had the chance to speak privately with my state's US Senator who also serves on the Senate Intelligence Committee.
I said to him, "I know that you're on the Intelligence Committee and so you can't say very much. But, I think that you would agree that all it would take would be an incident along the lines of a Russian naval vessel firing on or boarding a Western flagged ship in the Black Sea or there's a clash or a collision involving US or NATO aircraft and Russian aircraft over the Bering Sea and then it's Katy, bar the door".
He couldn't say anything because of his security clearance, but his facial expression and skin tone left no doubt that things were going to get very tense in the months ahead.