 and then a fifth year where you actually learn how to be a soldier, just in case. It might come up. But in reality, they are being trained as engineers. And so if you wanted to be an engineer, you wanted to go to West Point. And then at West Point, if you really distinguished yourself, you would not be put in the infantry or the artillery regiments of the Army. You'd be put in the Engineering Corps, which was by far the most prestigious arm of the American Army in this period.