"True Lieutenant Colonels: A Reply to M. Descave" is a novel of discovery by French writers Georges Darien and Edouard Dubois. The book tells the story of two officer friends who went to the front of the First World War with their ideals and hopes, but were exposed to the reality of war. They are forced to face the violation of symbols and values that they considered unshakable, which leads to the destruction of their friendship and life. This book examines moral simplification in the context of military conflict and the effects of war on human psyche and behavior. Les vrais sous-offs: Réponse à M. Descaves is a powerful piece that leaves the reader with many thoughts and questions about war, human nature, and friendship.