Which famous consumer brand gained significant recognition by developing the K-ration field meal packaging for US troops during WWII, later using this military connection in their civilian product marketing?

Throughout military history, certain brands have become iconic for their contributions to wartime efforts, creating products specifically designed for military use that later became household names. Some companies completely shifted their manufacturing to support war efforts, while others created innovations that revolutionized both military and civilian sectors. This trivia question explores how a famous brand's identity became intertwined with military history through their product development and marketing strategies during World War II.

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Wrigley's Gum
Coca-Cola
Cracker Jack
Kellogg's