And the seven priests carrying seven rams' horns kept marching ahead of the ark of the LORD and blowing the horns. The armed troops went in front of them and the rear guard followed the ark of the LORD, while the horns kept sounding.

Numbers 10:25
Finally, the divisions of the camp of Dan set out under their standard, serving as the rear guard for all units, with Ahiezer son of Ammishaddai in command.

Joshua 6:4
Have seven priests carry seven rams' horns in front of the ark. Then on the seventh day, march around the city seven times, while the priests blow the horns.

Joshua 6:9
While the horns continued to sound, the armed troops marched ahead of the priests who blew the horns, and the rear guard followed the ark.

Joshua 6:12
Joshua got up early the next morning, and the priests took the ark of the LORD.

Joshua 6:14
So on the second day they marched around the city once and returned to the camp. They did this for six days.

And seven priests bearing seven trumpets of rams' horns before the ark of the LORD went on continually, and blew with the trumpets: and the armed men went before them; but the rear guard came after the ark of the LORD, the priests going on, and blowing with the trumpets.