Then Jerubbaal, who is Gideon, and all the people who were with him, rose up early, and encamped beside the spring of Harod: and the camp of Midian was on the north side of them, by the hill of Moreh, in the valley.
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.