Feeding an Army on the Move Has Always Been a Challenge. Here is how Jehoshaphat met the challenge:

2 Kings 3:7. The king of Moab has rebelled against me. Will you go to battle with me against Moab? And he went and sent to Jehoshaphat the king of Judah saying, And he said, I shall go up. I am as you are, my people as your people, my horses as your horses. 8. And he said, Which way will we go up? And he answered, The way through the wilderness of Edom. 9. So the king of Israel, the king of Judah, and the king of Edom went and they made a circuit of seven days’ journey. And there was no water for the army and for the cattle that followed them. 10. And the king of Israel said, Alas! the LORD* has called these three kings together, to deliver them into the hand of Moab!