Which retail innovation, first deployed during WWII, revolutionized how U.S. troops accessed supplies and became an enduring brand identity in military retail history?

Throughout military history, certain products became as legendary as the battles they were associated with. Some innovations transformed how supplies reached troops, while others became cultural phenomena that extended beyond the battlefield. This poll tests your knowledge of a groundbreaking retail innovation that revolutionized how soldiers accessed essential supplies during World War II and continues to influence military retail operations today.

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The PX (Post Exchange) System
The Mobile Canteen
The Army & Air Force Exchange Service (AAFES)
The K-Ration Vending System