IV. The confederate forces of Judah and Simeon take the field: Judah went up (v. 4), and Simeon with him, v. 3. Caleb, it is probable, was commander-in-chief of this expedition; for who so fit as he who had both an old man's head and a young man's hand, the experience of age and the vigour of youth? Josh. xiv. 10, 11. It should seem too, by what follows (v. 10, 11), that he was not yet in possession of his own allotment. It was happy for them that they had such a general as, according to his name, was all heart. Some think that the Canaanites had got together into a body, a formidable body, when Israel consulted who should go and fight against them, and that they then began to stir when they heard of the death of Joshua, whose name had been so dreadful to them; but, if so, it proved they did but meddle to their own hurt.