As an added note regarding military procurement and handwavium to solve it... it's quite likely that the sort that makes a good hardtech military engineering designer makes for a really poor Handwavium user... if they can use it AT ALL. At best, the quirks that result, both on a "all of that type" and "individual example of that type" basis, would probably drive resource management personnel absolutely bonkers.
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"You know how parents tell you everything's going to fine, but you know they're lying to make you feel better? Everything's going to be fine." - The Doctor
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"You know how parents tell you everything's going to fine, but you know they're lying to make you feel better? Everything's going to be fine." - The Doctor