Christ!!!, they have regulations on how to wipe your ass too?
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Dan, you're close! You said it as a question, when it's a statement.
Also, from what I've ascertained, the Navy is more detailed in some of these areas vs. the other services.
There was even a time, back before the 1980s, when the Navy had beards (of course, with lots of rules). I think a few years ago (Decades? Centuries?), they had grog too! They gave up the grog and added women. Depending on who you talk to, that's an interesting swap. Fair? I think you could get more work out of sailors with grog, than sailors with women; but that's debatable too.