Which retail innovation was first widely implemented by Army & Air Force Exchange Service (AAFES) stores in the 1990s, revolutionizing how deployed troops shopped?

Military exchanges (PX/BX) have a fascinating retail history that combines patriotism with innovation. These unique stores serve military personnel worldwide with tax-free shopping and military-specific products. Over the decades, they've evolved from basic commissaries to sophisticated retail operations with unique branding, customer loyalty programs, and e-commerce platforms. Test your knowledge about this distinctive retail segment that has served generations of service members and their families.

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Mobile PX trucks that brought retail services directly to forward operating bases
The Exchange Online Mall, allowing soldiers to order American products from overseas deployments
AAFES-branded credit cards with military-specific rewards and benefits
Containerized retail units that could be shipped to combat zones as complete stores