'Commander in chief' in the Bible

So the king of Assyria sent the commander in chief, the chief eunuch, and the {chief advisor} from Lachish to King Hezekiah at Jerusalem with a heavy army. They went up and came [to] Jerusalem, then they went up and came and stood at the aqueduct of the upper pool which is on the main road of the {washer's} field.

In [the] year {the commander-in-chief came} to Ashdod, when Sargon the king of Assyria sent him, and he fought against Ashdod and he took it,