So, sailors call toilets "heads." Always have, for centuries. It's one of those bits of nautical slang that just sticks with you. The whole thing goes back to the age of sail, you know? Back then, the only place a sailor could go was the bow—the "head" of the ship. Made sense too, the wind would just carry all that... stuff... away from the vessel. Pretty practical, honestly. Nowadays, every navy in the world uses "head"—the US Navy, Royal Navy, you name it. This goes way back. 17th, 18th centuries. On those old sailing ships, there wasn't any proper toilet. Not a single one. So the crew would head to the bow, right near where the figurehead was mounted. There'd be a grating or a little platform with a hole cut in it. Waste went straight into the sea. And the wind? It'd blow the smell clear away from the ship. That's why it worked. Over time, "going to the head" just became the phrase. Even when ships got indoor plumbing, the name stayed. Kinda weird when you think about it. Depends on the ship, honestly. Big vessels, small vessels, submarines—they're all different. Here's a rough breakdown: Look, using a naval head isn't like your toilet at home. There's a procedure. Especially on bigger ships and subs. Here's what you gotta remember: Heads are communal. So yeah, there are rules. Gotta keep things running smoothly. Yeah, they do. But they're complicated. Specialized, really. Complex valve systems, compressed air, holding tanks. You gotta be careful or you'll mess up the pressure. Some older subs even have a "sanitary tank" that needs pumping out now and then. It's a scheduled break for using the toilet. They'll announce it over the intercom or the watch supervisor will let you know. During drills or combat, those calls get restricted. You wait. These days, yeah. Modern ships have gender-separated or unisex heads. Female sailors get locking doors and sanitary disposal units. But on older ships or in the field, it might be co-ed with some privacy measures thrown in. Because the original toilets were at the bow—the head of the ship. Wind carried the smell away. Name just stuck, even after toilets moved inside. Language is weird like that.What does the navy call toilets
Why are Navy toilets called "heads"?
What are the different types of naval toilets?
Type
Description
Typical Location
Standard Head
Just a regular flush toilet, but hooked up to a vacuum or seawater system. Most crew use these.
Inside the ship, near where people sleep.
Chemical Head
Uses chemicals to break stuff down. You'll see these on smaller boats or subs.
Tiny compartments, usually in auxiliary spaces.
Submarine Head
This one's tricky. Complex valves, compressed air, holding tanks. Mess up the sequence and you're in trouble.
Submarine compartments, obviously.
Field Head
Basically a bucket. Emergency use. Sometimes on deck.
Out in the open, on deck.
How do you use a Navy toilet correctly?
What are the rules and etiquette for Navy heads?
Frequently Asked Questions
Do submarines have toilets?
What is a "head call" in the Navy?
Do Navy ships have female toilets?
Why is it called a "head" and not a toilet?
Short Summary
