Joshua 5:14

5:14 He answered, “Truly I am the commander of the Lord’s army. Now I have arrived!” Joshua bowed down with his face to the ground and asked, “What does my master want to say to his servant?”

Joshua 7:6

7:6 Joshua tore his clothes; he and the leaders of Israel lay face down on the ground before the ark of the Lord until evening and threw dirt on their heads.