Deuteronomy 20:2

And it shall be, when ye are come nigh unto the battle, that the priest shall approach and speak unto the people,

Cross-reference

Numbers 10:9 prescribes the priestly trumpet alarm before war — directly paralleling the priest's role here to speak before battle.

Numbers 31:6 shows a priest (Phinehas) leading with trumpets and sanctuary vessels — a concrete example of priestly involvement in holy war.

Judges 20:28 Historical context

Judges 20:28 provides a concrete example: priest Phinehas ministers before the ark and inquires — fulfilling the priestly role before battle.

In 2 Chronicles 13:12, priests with trumpets lead the army, echoing the priest's role in battle from Deuteronomy 20:2.

Joshua 6:6 Parallel

In Joshua 6:6, Joshua commands priests to carry trumpets for battle, similar to the priest's role in Deuteronomy 20:2.