Armies of the Philistines

1. 1 Sam. 17: 23
     23 And as he talked with them, behold, there came up the champion, the Philistine of Gath, Goliath by name, out of the armies of the Philistines, and spake according to the same words: and David heard them.
2. 1 Sam. 23: 3
     3 And David’s men said unto him, Behold, we be afraid here in Judah: how much more then if we come to Keilah against the armies of the Philistines?