Joshua 3:4

3:4 But stay about three thousand feet behind it. Keep your distance so you can see which way you should go, for you have not traveled this way before.”

Joshua 6:9

6:9 Armed troops marched ahead of the priests blowing the horns, while the rear guard followed along behind the ark blowing rams’ horns.

Joshua 8:2

8:2 Do to Ai and its king what you did to Jericho and its king, except you may plunder its goods and cattle. Set an ambush behind the city!”

Joshua 8:4

8:4 He told them, “Look, set an ambush behind the city. Don’t go very far from the city; all of you be ready!