'Commander in chief' in the Bible

Even back when Saul was our king, it was you who kept on leading Israel out to battle and bringing them back again. The LORD told you, "You yourself will shepherd my people Israel and serve as Commander-in-Chief over Israel.'"

But David replied to Michal, "It was in front of the LORD, who appointed me to replace your father and his entire household by selecting me as Commander-in-Chief over Israel, the people of the LORD, that I danced in front of the LORD.

"""Now therefore this is what you are to tell my servant David: "This is what the LORD of the Heavenly Armies says: "I took you from the pasture myself from tending sheep to become Commander-in-Chief over my people, that is, over Israel.