If there was any rule that said you couldn't wash bags in the pile of commercial self-serve laundry machines they had back aft, I'm pretty sure I violated the shit out of it and never got caught.
Any ship or command that is requiring people to walk around in their own funk outside of a combat situation or other serious material casualty is one whose leadership is failing. This isn't the infantry, and we're not expected to man a freaking foxhole for days on end. As the late Neptunus Lex once wrote, the difference between the Navy and the Army is that in the Army, you may die like a gentleman, but you live like a rat. In the Navy, you may die like a rat, but you live like a gentleman.