A detailed discussion on the rules of engagement in war, including adherence to the Geneva Convention and historical examples of how nations like Korea, Germany, Japan, and the U.S. followed or violated these guidelines. The chapter explores ethical considerations, war crimes, treatment of prisoners of war, and specific incidents like the My Lai massacre. It also reflects on complex scenarios in combat, decision-making processes involving chaplains and wounded soldiers, and the challenges of maintaining order amidst chaos on the battlefield.