1 Samuel 17:19-21

Young's Literal Translation

¹⁹ And Saul, and they, and all the men of Israel [are] in the valley of Elah, fighting with the Philistines.

²⁰ And David riseth early in the morning, and leaveth the flock to a keeper, and lifteth up, and goeth, as Jesse commanded him, and he cometh in to the path, and to the force which is going out unto the rank, and they have shouted for battle;

²¹ and Israel and the Philistines set in array rank to meet rank.