Joshua 8:1-4

Living Bible

8 Then the Lord said to Joshua, “Don’t be afraid or discouraged; take the entire army and go to Ai, for it is now yours to conquer. I have given the king of Ai and all of his people to you. ² You shall do to them as you did to Jericho and her king; but this time you may keep the loot and the cattle for yourselves. Set an ambush behind the city.”

^3-4 Before the main army left for Ai, Joshua sent thirty thousand of his bravest troops to hide in ambush close behind the city, alert for action.