Whenever Vacuum tubes and Soviet Era aircraft are brought up it's stated they us...

wil421 on Feb 22, 2021 | parent | context | favorite | on: Doomsday Ships Were Ready to Ride Out Nuclear Arma...

Whenever Vacuum tubes and Soviet Era aircraft are brought up it's stated they used vacuum tubes because they lacked the capabilities to make semiconductors. I am sure it helped with rad-hardening but it was not the reason they chose the tech.