Judges 7:8-9

So the three hundred men took people’s provisions [for the journey] and their trumpets [made of rams’ horns] in their hands. And Gideon sent [away] all the other men of Israel, each to his tent, but kept the three hundred men. And the camp of Midian was below him in the valley. Now on that same night the LORD said to Gideon, “Arise, go down against their camp, for I have given it into your hand.