Which retail supply chain innovation, first widely implemented by Walmart in the 1980s, was later adopted by the US military during the Gulf War (1990-91) to revolutionize their logistics operations?

Throughout military history, supply chain innovations have often been as decisive as battlefield tactics. From Alexander the Great's logistics system to modern drone deliveries, the evolution of military supply chains has shaped the outcome of conflicts worldwide. This trivia question focuses on a game-changing retail technology advancement that transformed military logistics during a pivotal historical period.

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RFID (Radio-Frequency Identification) tracking systems
Barcode scanning and computerized inventory management
Just-in-time delivery systems pioneered by Toyota
Automated warehouse robots developed by Amazon