Which retail strategy innovation did the Army & Air Force Exchange Service (AAFES) pioneer in the 1980s that revolutionized how military members shopped at PX facilities worldwide?

Military Post Exchanges (PX) and Base Exchanges (BX) have a fascinating history as one of the most unique retail operations in the world. These stores serve military personnel and their families with tax-free goods while generating revenue that funds morale, welfare, and recreation programs on military installations. This poll tests your knowledge about the retail strategy behind this distinctive military institution.

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The Star Card system - the first military-specific credit card program that allowed servicemembers to build credit while making PX purchases
The Deployment Store concept - modular retail units that could be rapidly established in forward operating bases during conflicts
The Universal Price program - ensuring identical pricing at all PX locations regardless of geographic location or shipping costs
The Military Family Shopping Plan - allowing extended family members of active duty personnel to make purchases at any PX worldwide