Even if you have the specs, you do not know if there was some important variable that was not referenced in the specs, and then you need a billion dollar resear

Even if you have the specs, you do not know if there was some important variable that was not referenced in the specs, and then you need a billion dollar research project to figure out what was missing from the original spec. Reference: FOGBANK. https://www.twz.com/32867/fogbank-is-mysterious-material-used-in-nukes-thats-so-secret-nobody-can-say-what-it-is https://www.twz.com/32867/fogbank-is-mysterious-material-use...