Bible Verses About Armies: Composed of mercenaries

Aware that they had made themselves utterly abhorrent to David, Hanun and the people of 'Amon sent thirty-three tons of silver to hire chariots and horsemen from Aram-Naharayim, Aram-Ma'akhah and Tzovah.

They hired 32,000 chariots, as well as the king of Ma'akhah with his people, who came and pitched their camp in front of Meidva. Then the people of 'Amon assembled themselves from their cities and went out to fight.

Amatzyahu assembled Y'hudah together and put them in order by clans under captains of thousands and captains of hundreds - all Y'hudah and Binyamin. He registered everyone twenty years old and older, and found that there were 300,000 select troops able to go to war, capable of using spears and shields.

He also hired 100,000 strong, brave men from Isra'el for three-and-a-third tons of silver.