During the last three decades cognitive developmental psychology conceptualized morality as a phenomenon that develops among peers in a context-free world, and is most likely to be tested among first-year psychology students. The nature of real-life irreversible actions like those the individual faces in the context of war, when one's own and others' lives are at risk, when decisions have to be made on the spur of the moment, in an authoritative setting and under social pressure, has not been a major focus of inquiry. Lawrence Kohlberg, best known for his extensive analyses of the delicate connection between means and ends in the construction of moral maturity, refrained from addressing the real-life moral issues of war. Although Kohlberg's career lasted during the ten years of the Vietnam War, he devoted time to the study of only one soldier-Michael Bernhardt-who, so he claimed, refused to shoot in the My Lai massacre. This article analyzes Kohlberg's study of the relation between moral judgment and moral action of combatants in time of war.Only the dead saw the end of the war. PlatoWar is the only social institution in which men are endowed, even by the most democratic countries, with the legal entitlement to kill (Walzer, 1977). It is also an institution through which an individual is expected to demonstrate his or her morality of loyalty and morality of justice when assuming one of the most serious moral obligations, to fight for one's own state (Cohen, 1971). Only 268 out of 3,421 years of recorded history have been without war (Durant & Durant, 1968). The attention paid