It really depends on the kind of war being fought.
If the cheap solution involves having troops only a dozen miles away from the enemy, then you're going to take casualties, and funeral costs are FAR more expensive then the cost to buy a large bird and fly it from a 100+ miles away.
If the cheap solution involves having troops only a dozen miles away from the enemy, then you're going to take casualties, and funeral costs are FAR more expensive then the cost to buy a large bird and fly it from a 100+ miles away.