Joshua 6:2-5

2The Lord told Joshua, “See, I am about to defeat Jericho for you, along with its king and its warriors.

3Have all the warriors march around the city one time; do this for six days.

4Have seven priests carry seven rams’ horns in front of the ark. On the seventh day march around the city seven times, while the priests blow the horns.

5When you hear the signal from the ram’s horn, have the whole army give a loud battle cry. Then the city wall will collapse and the warriors should charge straight ahead.”