War leads to an overthrowing of points of reference and puts the relationship between morals and action at the heart of the profession of arms. Civil society is evolving, greatly modifying or even abandoning the hierarchy of values. There has been renewed interest on the question of ethics within France’s armed forces, and many articles have been published. Today just as much as in the past, consciences, which concern culture, reflection and meditation, have to be reawakened. The military leader faced with issues of conscience will have to find the answers within himself.