Joshua 6:6

6:6 So Joshua son of Nun summoned the priests and instructed them, “Pick up the ark of the covenant, and seven priests must carry seven rams’ horns in front of the ark of the Lord.”

Joshua 6:8

6:8 When Joshua gave the army its orders, the seven priests carrying the seven rams’ horns before the Lord moved ahead and blew the horns as the ark of the covenant of the Lord followed behind.

Joshua 6:13

6:13 The seven priests carrying the seven rams’ horns before the ark of the Lord marched along blowing their horns. Armed troops marched ahead of them, while the rear guard followed along behind the ark of the Lord blowing rams’ horns.