This is a special 20-minute preview from our 250 Years of the Marine Corps series. In this opening chapter, a handful of men in Philadelphia answer a new call to arms and unknowingly found one of the most storied fighting forces in history. The preview covers the earliest days and how ordinary men began a legacy that still defines Marines today. The free version begins November 10, with new episodes dropping daily through the rest of November. 🎧 Listen now at historyofthemarinecorps.supercast.c