The whole ship construction/repair system has been a mess since the US disposed of the Navy Yard system,which gave the commercial/public firms a reason to be as efficient/effective as possible.    It is notable however, in this case, that someone can develop mental problems at any time in their working/career life that can impair their judgement.

 

And IMO - if you're going to be working on highly-critical/classified/etc. systems for which you are generally speaking well compensated - you should be willing to undergo a more rigorous set of questions, background investigations, etc.