Which famous retail brand collaboration was specifically created for military PX stores during WWII and became so popular it later launched into the civilian market?

Post Exchange (PX) stores have been vital to military life for over a century, providing soldiers with essential goods and a touch of home while deployed. These retail operations have evolved dramatically through major conflicts and peacetime, representing a unique segment of retail history with specialized market dynamics and consumer trends. Test your knowledge about this fascinating intersection of military history and retail operations!

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Ray-Ban Aviator sunglasses
Gillette Safety Razor Field Kit
Zippo Victory Series lighters
Hershey's Tropical Chocolate Bar