After being taught in a boarding school run by whites that Navajo is a useless language, Ned Begay and other Navajo men are recruited by the Marines to become Code Talkers, sending messages during World War II in their native tongue.
"As a boy, Chester Nez was taught his native language and culture were useless, but he was later called on to use his Navajo language to help create an unbreakable military code during WWII"--