In the midst of World War II, the 6888th Central Postal Directory Battalion, an all-female African-American unit, undertook the monumental task of sorting and delivering a massive backlog of mail for the U.S. military. Despite facing deplorable working conditions and the pervasive dual discrimination of race and gender, these women served their country with unbreakable determination and pride. Led by the formidable Major Charity Adams, they not only achieved their mission in half the expected time but also broke barriers, standing firm again...