"Combat Lessons Number 1 Rank And File In Combat What They're Doing How They Do It" is a poignant 1942 Army manual that captures the raw experiences of soldiers during World War II through their own words. Organized by subject, soldier's name, location, and quote, this collection serves as a vital resource for officers and enlisted men, offering insights from the battlefield that remain relevant today. General George C. Marshall emphasizes the importance of sharing these lessons promptly, as they reflect the realities of combat, even if they do not represent the official views of the War Department.