The Kremlin's Cap Table: How Russia Builds War Tech Without Venture Capital

And bs:

"Instead of designing a revolutionary new tank from scratch, the safer bet is to take a proven T-72 chassis and integrate new sensors, armor, and electronics."

Uralvagonzavod, the main producer of Russian tanks, did just that and designed Armata[0] which turned to be too costly for a real war.

[0] https://en.wikipedia.org/wiki/T-14_Armata