That ratio — twenty seconds versus thirty minutes — is the practical explanation for why Marine commanders in the Pacific trusted the Navajo Code Talker system with their most urgent communications.

The Original Twenty-Nine and the Code They Built

The twenty-nine men who developed the original code deserve to be understood as individuals, not simply as a group.

They came from communities across the Navajo Nation, from different family backgrounds and different experiences of the reservation life that had shaped their generation.

Among the original twenty-nine were men who had attended Bureau of Indian Affairs schools on the reservation, men who had attended the off-reservation boarding schools that were still operating in 1942, and men who had received their primary education in the Navajo language at home.

Their English proficiency varied, though all met the program’s standards.