When World War I began, it seemed unlikely that a unit such as the Harlem Hellfighters would ever be formed. Given the nickname by their German foes who admired their bravery, the Harlem Hellfighters were members of an all-black regiment. Learn more about the key roles these brave men played in critical battles and how they helped secure an Allied victory.

The world at war -- Forming the 15th -- Fighting for racial equality -- A feared fighting unit -- Returning as heroes -- Changing the course of history.