Looks like we have a winner. For how long? What is life like on one of those? How long were you at sail?
No, if fact i thought about the aircraft carrier in San Diego that's why i edited the op.
Does it count if they're decommissioned and turned into tourist traps?
You can see the toilet in this picture.
Spent a week on a 40 ft sailboat off the coast of Venezuela once. Was awesome. Looked like this
View attachment 643851
Your turn
Edit: Had to be under sail.