Which innovative point-of-sale system was first widely implemented across U.S. military exchanges (PX/BX) during the Vietnam War era to track inventory and sales?

Military exchanges (PX/BX/NEX) have been an essential part of military life for generations, offering tax-free shopping and familiar products to service members worldwide. These retail operations have evolved dramatically from simple supply points to sophisticated retail environments with modern point-of-sale systems. Test your knowledge about how military retail operations have transformed to serve troops throughout history!

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• The IBM 3660 Supermarket System
• The NCR 280 Military Exchange Terminal
• The Sweda 46 Combat Register
• The Burroughs E-3000 Deployment System

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