 By making the show thrilling, but not over-sensationalized, DuPont was able to better its own branding and get away from being perceived as a military-only company.On May 15, 1940 DuPont made nylon women's hosiery available to the public and began an advertising blitz.The day was designated "N-day" by DuPont's marketeers, and an entire episode of "Cavalcade of America" was markedly different