The article discusses how the U.S. Army is preparing for future battles by incorporating new strategies into their operations manual. They are learning from past experiences and adapting to changing environments to stay ahead of potential adversaries. By constantly innovating and being flexible, the Army aims to be ready for any challenges they may face in the next five years, tomorrow, and beyond 2030. The lessons from World War I show that success in warfare requires a willingness to learn, a clear central concept for innovation, and the ability to spread new ideas throughout the military.