"b) ... military necessity;"
When will this become commonly unacceptable as the factoid, contradiction, oxymoron... it is? The necessity only exists in sociopaths´ minds and snowballs with their ilk.
How about a "peace necessity"? Our knowledge has surpassed our wisdom. --Charu Saxena.
best peice of reading is probably here
The whole book is a good grounding in ethics and morality in Military situations as it exists in international law. Life should consist in at least fifty percent pure waste of time, and the rest doing what you please.