Which famous logo design change occurred during World War II when a major company modified its brand identity to support the war effort?

Throughout history, military equipment manufacturers and suppliers have employed various marketing strategies to secure government contracts and public support. From ancient weapon forges to modern defense contractors, branding and marketing have played crucial roles in military procurement. Test your knowledge about the intersection of military history and product marketing!

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Coca-Cola created special white bottles for Arctic troops to reduce visibility to enemy forces
IBM temporarily changed its logo to include an eagle to demonstrate patriotism
Hershey reformulated its chocolate bars and created field ration D, using special packaging with military-specific branding
Ford removed its blue oval logo from military vehicles to prevent providing targeting symbols