 to brace, and that is what they say when there is some sort of emergency where they don't know what's going to happen when they land. So they told the passengers, brace, brace, brace, and that's when they have to sort of get in position to brace their bodies to make sure and land safely without injury, and thankfully that's what happened. But no doubt about it, incredibly scary that this even happened. So, Gio, how dangerous and how unprecedented is something like this?