You can link them with one-way seals, make them fireproof, etc. But I don't think you need hundreds. The A-10 example is great, that's an example of a plan that

You can link them with one-way seals, make them fireproof, etc. But I don't think you need hundreds. The A-10 example is great, that's an example of a plan that's designed to be shot at from close range and still fly.