Which of these iconic consumer products was originally developed during WWII specifically for military use before becoming a massively successful civilian retail brand?

Many of today's common consumer brands have fascinating military origins that shaped their brand strategy and history. During wartime, numerous companies shifted production to support military efforts, and some of these brands successfully pivoted back to civilian markets afterward. This trivia explores a famous example of military-to-civilian brand transformation that created an enduring retail legacy. Test your knowledge of how military necessity transformed into household brand loyalty!

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Jeep vehicles (originally designed as a general purpose military vehicle)
Ray-Ban Aviator sunglasses (originally designed for WWII bomber crews)
Coleman camping stoves (originally designed for military field kitchens)
Victorinox Swiss Army Knife (originally standard issue for American GIs)