[triceratops]

And what about the suppliers of those manufacturers?

[leonidasrup]

You would need to do full supply chain analysis. Probably only one doing full supply chain analysis is Pentagon. They had experts for this kind of work.

"How The CIA Secretly Bought Soviet Titanium To Build The SR-71 Blackbird"

https://simpleflying.com/how-cia-secretly-bought-soviet-tita...