Which military supply chain innovation, developed during WWII, revolutionized battlefield logistics and is still used in modified form by modern militaries worldwide?

Throughout history, military success has often hinged not just on strategy and valor, but on effective supply chain management. From Alexander the Great's revolutionary logistics to the modern military-industrial complex, supply chains have determined the outcome of countless conflicts. This trivia question explores a pivotal innovation in military supply logistics that transformed warfare capabilities and influenced modern military operations. Test your knowledge of how logistics shaped military history!

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The CONEX (Container Express) system - standardized shipping containers for military supplies
The Red Ball Express - dedicated supply truck convoys with priority routing
The Strategic Bombing Survey - targeting enemy supply chains and industrial capacity
The Liberty Ship mass production program - rapid construction of cargo vessels