Bible Verses About Armies: Composed of mercenaries

And the sons of Ammon see that they have made themselves abhorred by David, and Hanun and the sons of Ammon send a thousand talents of silver, to hire to them, from Aram-Naharaim, and from Aram-Maachah, and from Zobah, chariots and horsemen;

and they hire to them two and thirty thousand chariots, and the king of Maachah and his people, and they come in and encamp before Medeba, and the sons of Ammon have been gathered out of their cities, and come in to the battle.

And Amaziah gathereth Judah, and appointeth them, according to the house of the fathers, for heads of the thousands, and for heads of the hundreds, for all Judah and Benjamin; and he inspecteth them from a son of twenty years and upward, and findeth them three hundred thousand chosen ones, going forth to the host, holding spear and target.

And he hireth out of Israel a hundred thousand mighty ones of valour, with a hundred talents of silver;