Which supply chain innovation, developed during WWII for military logistics, later became standard practice in modern retail inventory management systems?

World War II marked a pivotal moment not just in military history but also in retail supply chain management. The massive logistics operations required to supply millions of troops across global theaters revolutionized inventory tracking, distribution systems, and procurement methods. Many of these innovations later transformed civilian retail operations. Test your knowledge about how military necessity drove retail supply chain innovations that we still use today.

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Just-in-Time (JIT) inventory management using punch cards
Blockchain-based distributed ledger systems
RFID tagging of individual items
Drone-based automated warehouse counting