⁸ The sons of Aaron, the priests, must blow the trumpets, and they will be to you for an eternal ordinance throughout your generations. ⁹ If you go to war in your land against an adversary who opposes^[a] you, then you must sound an alarm with the trumpets, and you will be remembered before the Lord your God, and you will be saved^[b] from your enemies.

Campaign Against the Midianites

⁶ So Moses sent them to the war, 1,000 from every tribe, with Phinehas son of Eleazar the priest, who was in charge^[a] of the holy articles^[b] and the signal trumpets.