Which packaging innovation was specifically developed for military surplus retail after WWII that revolutionized how surplus gear was sold to civilians?

Military surplus stores have been a fascinating retail phenomenon for over a century, transforming excess military equipment into civilian products. These specialty retail operations have unique store layouts and supply chain challenges that differ dramatically from traditional retail. Test your knowledge about how military surplus retailing has evolved and shaped modern retail concepts for military history enthusiasts and collectors.

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Vacuum-sealed cosmoline packaging that allowed surplus firearms to be stored and displayed without deterioration
The iconic military footlocker display case, now standard in surplus stores for showcasing premium collectibles
The 'War Assets Administration' transparent packaging system that showed item condition while preventing tampering
Self-contained retail kits with standardized shelving designed to convert any space into a military surplus retail outlet