Which innovative retail practice did the Army Exchange Service pioneer in the 1940s, decades before it became standard in civilian retail?

The Post Exchange (PX) and Base Exchange (BX) systems have been vital institutions in military life for generations, providing essential goods and a taste of home to service members worldwide. These retail operations have evolved dramatically since their inception, becoming sophisticated retail operations with billions in annual sales. Test your knowledge about the history and evolution of this unique military retail institution that has shaped the consumer experience for millions of service members.

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Self-service shopping format
Loyalty card program with personalized discounts
Online catalog ordering system
Price-matching guarantee policy