Kinsel used the unbreakable code developed from the Navajo language to help pass important messages in World War II.

John Kinsel Sr., one of the last remaining Navajo Code Talkers who transmitted messages during World War II based on the tribe's native language, has died. He was 107. Navajo Nation officials in Window Rock announced Kinsel's death on Saturday.

One of the last Navajo Code Talkers, who helped secure an Allied victory in World War II by sending crucial messages in a code based on the Navajo language, has died.