in Viet Nam and even in Korea. METT-TC. Nothing new in that, either. There have been races between punishments and rewards for showing -- or not showing -- restraint during combat actions for a great many years.

Most notably and within the memory of some, a few people involved at My Lai in Viet Nam refused orders to fire on civilians and / or tried to stop that criminal stupidity; most got in trouble initially and were only later properly vindicated and rewarded.