In the wake of the Haditha investigation, the top US general in Iraq on Thursday ordered American commanders to conduct core values training on moral and ethical standards on the battlefield. Lt. Gen. Peter Chiarelli, commander of Multinational Corps Iraq, said in a statement that the training would emphasize "professional military values and the importance of disciplined, professional conduct in combat" as well as Iraqi cultural expectations. "As military professionals, it is important that we take time to reflect on the values that separate us from our enemies," Chiarelli said. "The challenge for us is to make sure the actions of a few do not tarnish the good work of the many." The order Army Gen. George W. Casey came as the US military investigated whether US Marines might have intentionally killed unarmed civilians in the Iraqi town of Haditha on Nov. 19. The killings, in which victims included women and children, came after a bomb rocked a military convoy and killed a Marine.