Which of these famous product launches during WWII was marketed with the slogan "The Best Friend a Soldier Ever Had" and revolutionized both military logistics and post-war consumer retail?

During World War II, marketing and product innovation took on vital importance as military equipment manufacturers competed not only for government contracts but also for public support. Companies launched advertising campaigns highlighting their contributions to the war effort, creating some of the most memorable product launches and marketing campaigns in retail history. This trivia question explores one particularly iconic product launch that changed both military operations and civilian life forever.

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M&M's candy (Mars Company)
Ray-Ban Aviator sunglasses (Bausch & Lomb)
Jeep vehicles (Willys-Overland Motors)
Duct tape (Johnson & Johnson)