Your wives, dependents, and livestock may remain in the land Moses gave you on this side of the Jordan. But your best soldiers must cross over in battle formation ahead of your brothers and help them
So Joshua son of Nun summoned the priests and said to them, “Take up the ark of the covenant and have seven priests carry seven rams’ horns in front of the ark of the Lord.”
After Joshua had spoken to the troops, seven priests carrying seven rams’ horns before the Lord moved forward and blew the rams’ horns; the ark of the Lord’s covenant followed them.