Which military retail innovation was first introduced during World War II that revolutionized how deployed soldiers could access retail goods?

Post Exchanges (PX) and their naval counterparts (NEX) have been vital to military morale for centuries. These military retail operations have evolved from simple sutler wagons following armies to sophisticated global retail networks. Today's military retail systems represent some of the most unique omnichannel experiences in retail history, balancing tradition with innovation while serving military communities worldwide. Test your knowledge about these distinctive retail operations that have shaped military life and culture.

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The Mobile PX (Post Exchange) trucks that followed front lines
The Ship's Store Ashore program for Navy families
The Military Star Card credit system
The Army & Air Force Exchange Service (AAFES) online ordering system