In article , fred scribeth thus
In article , tony sayer
writes

And valves were much better at standing up to the electromagnetic pulse
released by a nuclear explosion...

Thats why the soviets used then in their aircraft!..

I think that's mainly a puff of chaff, aircraft don't need to be
particularly rad hard as they get blown over and wiped by blast long
before the electronics pop.

Pretty much the same applies in flight.


Suggest you read a bit more about the subject;!...

--
Tony Sayer