Judges 7:11 and you shall hear what they say, and afterward your hands shall be strengthened to go down against the camp." Then he went down with Purah his servant to the outposts of the armed men that were in the camp. (DBY NAS RSV NIV)
1 Samuel 14:15 There was a trembling in the camp, in the field, and among all the people; the garrison, and the spoilers, they also trembled; and the earth quaked: so there was an exceeding great trembling. (See NIV)