Which retail innovation was FIRST introduced by the Army & Air Force Exchange Service (AAFES) during the Vietnam War that revolutionized how troops accessed consumer goods in combat zones?

Military base exchanges (PX/BX) have been serving armed forces personnel for generations, evolving from simple commissaries to modern retail operations. These unique retail environments blend military tradition with consumer commerce, offering tax-free shopping and supporting morale and welfare programs. Test your knowledge about how these distinctive retail operations have shaped military culture and consumer habits throughout history.

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Mobile Field PX trucks that brought retail stores directly to forward operating bases
Mail-order catalogs allowing soldiers to order items for delivery to combat zones
PX credit cards that allowed troops to purchase items without carrying cash
Branded military merchandise featuring unit insignias and military themes