Regarding Black history trailblazers, the names Rosa Parks, Martin Luther King Jr., and Maya Angelou are usually mentioned, but they’re only the tip of the iceberg. There’s a vast number of Black stories that have been swept under the rug for years.

Now, actor Morgan Freeman is spotlighting the 761st Tank Battalion, the first all-Black tank unit to serve in combat during World War II. The unsung heroes of that brave Army team led the United States in defeating Nazi Germany, changing the scope of the six-year-long war. In a trailer, Freeman said, “It doesn’t make any sense that American history doesn’t include Black people to the extent that it should.”

The documentary comes as the efforts of Black pioneers are being erased in droves as politicians work to erase stories of Black excellence in revised curriculums in schools and deny the struggles of Black Americans throughout history. Freeman, who said he’s been chasing the story of the 761st “forever,” was the executive producer for the History Channel documentary, “761st Tank Battalion: The Original Black Panthers.” The Oscar winner said what struck him the most about this story was “the fact that all of this is true, and nobody knows about it,” he told HuffPost.

Freeman, who served in the Air Force out of high school, has personal ties to the heroes’ stories. Two relatives, Uncle Willie and Uncle Jesse, were called to fight in WWII, but the mystery of their whereabouts after serving in the military left him seeking answers for decades. The questions surrounding their journeys helped motivate Freeman to start the documentary and uncover countless Black soldiers’ lost and unwritten stories. Throughout the documentary, Freeman finds out many new facts about the 761st and even about his family members who served in the military.

Freeman told HuffPost of the legacy of the 761st, “This is America’s success. This is how we managed to do what we did. We are all in this together. We were then, and believe it or not, we are now.” In the riveting documentary, Freeman speaks with one of the last surviving members of the 761st, Cpl. Robert C. Andry and the first Black secretary of defense, Lloyd J. Austin III, to uncover the history of the unrelenting men who endured a record-breaking 183 grueling days in combat and liberated 30 towns on their crusade into Germany.

The “761st Tank Battalion” explores “the major battles” the group faced both overseas and in the United States in the fight for equality. A news release for the movie says, “Despite facing unprecedented adversity, these brave men lived up to their tenacious motto, “Come Out Fighting,” and became one of the most accomplished tank battalions in U.S. military history.”

The film’s director, Phil Bertelsen (“Who Killed Malcolm X”), added: “To know that they had, as someone in the film says, ‘run through the German army’s toughest forces like a knife through warm butter’ was a shock to me. And then to know that they had to fight for that recognition.”