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If you need skilled workforce for manufacturing you fucked up royally during the design phase. Same for other stuff. And I keep hearing about those mythic rare earths and military and yet no one explains why they are needed in such quantities that to be a bottleneck compared to the obscene amounts we already throw away with the disposable vapes. And the biggest producer of semiconductors on earth will bend over backwards to allow us to produce more of those needed for interceptors if we just promise them to sell them some at any price.
And this is why any competent design is based on the assumption that everything will break and not work when you need it most, this is why stuff needs to be able to be produced at scale, with untrained personnel, sometimes under terrible conditions. Not treating any such system as a artisanal wunderwaffen.
With modern computers, cad cam, electronics - we should be able to design faster, iterate way faster, and produce more and cheaper. And that is obviously not true, at least until the war hits home - both Ukraine and Russia seems to be able to wage full scale next gen war with what could roughly be describes as US military toilet paper budget.
You can't build modern high tech equipment (which interceptors definitely are) with 70s low skilled manufacturing methods. The failure rates would approach 100%.
You can do this. The inherent tradeoff is that you're going to be stuck with Vietnam war era designs. If you want things to be buildable with only a hammer and screwdriver, you're going to be limited to things that can be built with such crude tools and no skills.
Consider this: Any high reliability electronics using BGA or QFN parts need x-ray inspection to filter out boards with short circuits caused by uneven solder flow. A shitload of components are only available in BGA or QFN packages and many are fundamentally impossible to build in any other packages (simply too many pins). That means you need highly skilled labor to build them or beyond state of the art automation which is only viable at massive cost which in turn means massive production amounts. The same goes for modern passive components that can be literally the size of small sand grains. And that's just one small part of the entire supply chain.
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