> would be pretty useless militarily anyway There's the commonly shared story about them that it turned out soldiers can't shoot from the smaller ones without

> would be pretty useless militarily anyway There's the commonly shared story about them that it turned out soldiers can't shoot from the smaller ones without going deaf, even when using ear protection. I don't know if it's true or not, but having been in one of them, it seems likely. A concrete dome is pretty much the perfect shape to reflect all the sound waves right back at you.