Gideon sent messengers throughout all the hill-country of Ephraim, saying, Come down against Midian, and take before them the waters, as far as Beth Barah, even the Jordan. So all the men of Ephraim were gathered together, and took the waters as far as Beth Barah, even the Jordan.
Now Gideon first of all was testing to make sure the angel-let me bring out an offering and he saw the miracle there. Then he put out the fleece and now here's the final thing, he slips down and God confirms that once more. And so there are actually three confirmations to the call of God to Gideon.