I have a vaguely amusing story about the time HMS Plymouth was visited by the local firearms officer police when she was in Glasgow. (She was privately owned at this point)
He was here to inspect the ship and ensure we were not keeping anything dodgy onboard
We led him around the ship, showing him the different weapons, eg 20 machine cannon (deactivated), the Limbo mortars, Sea Cat launchers etc. He hummed and ahhed, ticking things off on his clipboard and scribbling things down.
When we finally reached the bow, he leaned on the front of the gun turret and asked in all seriousness where we were hiding the 4.5 inch guns.
With an equally straight face I pointed out the two big black barrels sticking out of the front of the big grey turret he was using as a leaning post.