Which famous consumer product was originally developed during WWII by the military for preventing rust on weapons but found widespread civilian use after soldiers discovered its surprising versatility?

In the midst of WWII, a military necessity led to one of the most famous product design success stories in history. This product was initially created for military use but later transformed into a household name. The creation story combines battlefield ingenuity, practical design, and brand storytelling that has lasted generations. Test your knowledge about this famous military-to-civilian product transition that revolutionized an entire industry.

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