Code talkers: The 'unbreakable' code

The U.S. first used Native American code talkers in the First World War. Most were Choctaw Indians who used their tribal language to transmit orders and other communications on telephone lines.
In 1940, the army began recruiting Comanches, Choctaws, Hopis, Cherokees, Mohawks and others for its communications program.
The U.S. Marine Corps began its own program in 1941, primarily recruiting Navajo from the American Southwest. Eventually, more than 400 Navaho code talkers would serve with the mari