Armies: Often Surprised Their Enemies

And you shall do to Ai and its king as you did to Jericho and its king, except that you may carry off their plunder and livestock for yourselves. Set up an ambush behind the city.”

…and the men of Judah raised the battle cry. And when they raised the cry, God routed Jeroboam and all Israel before Abijah and Judah.

Raise a banner against the walls of Babylon; post the guard; station the watchmen; prepare the ambush. For the LORD has both devised and accomplished what He spoke against the people of Babylon.