Analyzes the contrasting military responses of various militaries to the internal combustion engine between World War I and World War II to illuminate successful strategies and approaches to reengineering (an approach to transformation). Analyzes the contrasting military responses of various militaries to the internal combustion engine between World War I and World War II. Incorporating new technology requires a change in military process (i.e., reengineering); the author sets forth the conditions necessary for successful military reengineering.