2 Kings 7:6

And there was a trembling in the camp, in the field, and among all the people. Even the garrison and the raiders trembled, and the earth quaked so that it became a great trembling.

Then David answered and said to Ahimelech the Hittite and to Abishai the son of Zeruiah, Joab’s brother, saying, “Who will go down with me to Saul in the camp?” And Abishai said, “I will go down with you.”

“And it will be that when you hear the sound of marching in the tops of the balsam trees, then you shall act promptly, for then Yahweh will have gone out before you to strike the camp of the Philistines.”

Then the sons of Ammon saw that they had become odious to David. So the sons of Ammon sent and hired the Arameans of Beth-rehob and the Arameans of Zobah, 20,000 foot soldiers, and the king of Maacah with 1,000 men, and the men of Tob with 12,000 men.

And a chariot was imported from Egypt for 600 shekels of silver, and a horse for 150; and by the same means they exported them to all the kings of the Hittites and to the kings of Aram.

“Behold, I will put a spirit in him so that he will hear a report and return to his own land. And I will make him fall by the sword in his own land.”’”

“Also her mercenaries in her midst Are like fattened calves, For even they have turned back and have fled away together; They did not stand their ground. For the day of their disaster has come upon them, The time of their punishment.

I also heard the sound of their wings like the sound of many waters as they went, like the sound of the Almighty, a sound of tumult like the sound of an army camp; whenever they stood still, they dropped their wings.