Ark: in the Tabernacle--Called the Ark of the Covenant: Taken to Battle

So Joshua son of Nun summoned the priests and said, “Take up the ark of the covenant and have seven priests carry seven rams’ horns in front of the ark of the LORD.” …

When the troops returned to the camp, the elders of Israel asked, “Why has the LORD brought defeat on us before the Philistines today? Let us bring the ark of the covenant of the LORD from Shiloh, so that it may go with us to save us from the hand of our enemies.” …