That's not true. All nuclear weapons in USSR were built inside modern Russian territory, there was no production in any other republic.

https://en.wikipedia.org/wiki/Soviet_atomic_bomb_project#Log...

He probably meant Ukrainian engineers. One of the reasons Moscow is so laser focused and grabbing Ukraine as it used to be Soviet's Union brain.

Is this real? Why would Ukraine be such a concentration of brain power compared to other regions? I'm not super skeptical given the few Ukrainians I've met but still humans are generally equal...

> Is this real?

You can see the link in GP comment by yourself.

I don't see where in the link it says that.

The rockets, not the nukes (warheads).