Which military product design innovation from WWII became so iconic that it transformed into a major civilian brand still thriving today?

Throughout history, militaries have developed sophisticated approaches to product design and branding, creating distinctive equipment, uniforms, and memorabilia. From Ancient Rome to modern special forces, military organizations have carefully crafted their visual identities and functional designs to inspire loyalty, project power, and establish recognizable brands. Test your knowledge about this fascinating intersection of military history and product design!

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Jeep vehicles, originally designed as General Purpose (G.P.) vehicles for the U.S. Army
Ray-Ban aviator sunglasses, originally created for U.S. Air Force pilots
The Zippo lighter, standard issue for American soldiers during the war
The Swiss Army Knife, designed for Swiss military officers in the field