Which technological innovation fundamentally transformed military PX/BX inventory management during the 1990s, allowing for the first truly global military retail network?

Post exchanges (PX) and base exchanges (BX) have been vital to military morale and logistics for centuries. These military retail operations have evolved dramatically, adopting cutting-edge inventory management systems to serve personnel worldwide. From Civil War sutlers to modern military department stores, these retail operations represent a fascinating intersection of military logistics and retail innovation.

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Implementation of RFID-based inventory tracking systems
Adoption of the Enterprise Resource Planning (ERP) systems with real-time inventory visibility
Introduction of barcode scanning at all military retail locations
Development of the Military Exchange Network (MEXNET) satellite communication system