 McIlhenny's combat helmet, along with the captured Japanese samurai sword that dented it, are on display at the National World War II Museum (formerly the National D-Day Museum) in New Orleans, Louisiana.Despite his interest in military service, McIlhenny felt obliged to enter the family business around 1940, when he began executive training at McIlhenny Company, maker of world-famous Tabasco brand pepper sauce at Avery Island, Louisiana.McIlhenny's grandfather, Edmund McIlhenny, had invented the fiery condiment.