Part 1 Preparation for conflict: from bows and arrows to missiles and aircraft; the real stakes in the space adventure are military; slipping the warrior beneath the sea; the German and Anglo-American race to nuclear armament; Russia and other powers hurry to catch up with the nucleus; optimizing human resources -procurement, training, management. Part 2 Warfare and its management: endologistics - forts, food, feed, fuel and freight; exologistics - how the natural environment conditions battle; communicating, commanding, controlling ... and a little deception; from military aviation's radar to computer notebooks; military medicine saves fighting strength; simulating strategy, operations, tactics. Part 3 Behind the action, and wars to come: who are the scientists working with the military?; what role for the scientist in future wars?.