1 Samuel 13:15

13:15 Then Samuel set out and went up from Gilgal to Gibeah in the territory of Benjamin. Saul mustered the army that remained with him; there were about six hundred men.

1 Samuel 14:17

14:17 So Saul said to the army that was with him, “Muster the troops and see who is no longer with us.” When they mustered the troops, Jonathan and his armor bearer were not there.