Which supply chain innovation, nicknamed the 'Red Ball Express,' was crucial for Allied forces following the Normandy landings in 1944?

Throughout history, military success has often hinged on supply chain innovation. From Alexander the Great's logistical systems to modern digital military supply networks, the evolution of how weapons, food, and equipment reach the battlefield has shaped warfare outcomes. This poll tests your knowledge about a revolutionary supply chain development that transformed military operations in World War II.

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A continuous truck convoy system that transported over 12,500 tons of supplies daily to advancing Allied troops
A specialized rail network built rapidly behind Allied lines to deliver tanks and heavy artillery
An airborne supply drop system using distinctive red parachutes for emergency ammunition delivery
A fleet of high-speed naval vessels painted red that ferried supplies across the English Channel