Which retail technology innovation was first widely deployed by the US military in the 1990s to revolutionize how deployed troops could purchase personal items?

Throughout military history, retail logistics and product development have played a crucial role in maintaining troop morale and readiness. The military exchange system (PX/BX) has evolved from basic commissaries to sophisticated retail operations. This poll tests your knowledge about a significant retail technology innovation that transformed how military personnel accessed products during deployment.

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• Mobile PX trucks with RFID inventory tracking
• AAFES online shopping portal with battlefield delivery
• Biometric payment systems for secure commissary access
• Satellite-linked vending machines with credit card capabilities

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