Digest of Biblical Civil Law

God's law requires that the wages of the men in military service shall be comparable to (the same as) wages for the men who stay home (Num. 31:25, 27; I Sam. 30:21-25). God also required that the cost of war should be paid for by the enemy. The spoils of war were divided among the people of Israel.
- Russel S. Walton, Biblical Principles Concerning Issues of Importance to Godly Christians (chapter 18, Plymouth Rock Foundation, 1984), at http://www.visionforumministries.org/sections/hotcon/ht/womeninmilitary/military_conscription.asp.