Which digital payment system was first implemented in U.S. military base exchanges (BX) and commissaries in the 1990s, revolutionizing how service members shopped?

The modernization of military retail facilities has been a fascinating journey over the decades. From basic commissaries to sophisticated shopping experiences for service members and their families, military retail has evolved significantly. One particularly interesting development was the Pentagon's adoption of digital payment technologies. Test your knowledge about this intersection of military retail infrastructure and payment technology innovation!

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EAGLE Cash Cards (Electronically Activated Government Lifestyle Explorer)
STARS Card (Secure Transaction And Retrieval System)
MILFIN (Military Financial Integrated Network)
Defense Pay (D-Pay) System