Tbf, they were quite good. Yes, they did take in German scientists and hardware to boost heir rocket program, but they mainly used them to transfer knowledge, and then dumped most of those scientists. And after that, they had indeed several very impressive feats. Like that Venus probe thing. I think that one was one of the best.
https://en.wikipedia.org/wiki/German_influence_on_Soviet_rocketry
Well, i guess i’m getting blown up by a Creeper eventually