Armies: Captains of Fifties
Source: Nav
2 Kings 1:9
Then King Ahaziah sent to Elijah a captain with his company of fifty men. So the captain went up to Elijah, who was sitting on top of a hill, and said to him, “Man of God, the king declares, ‘Come down!’”
Isaiah 3:3
the commander of fifty and the dignitary, the counselor, the cunning magician, and the clever enchanter.