Nation Samuel Sandoval, one of the last remaining Navajo Code Talkers from World War II, dies at 98 July 31, 2022 Haleigh Kochanski and Shondiin Silversmith, Arizona Republic Comments Off on Samuel Sandoval, one of the last remaining Navajo Code Talkers from World War II, dies at 98 Navajo Code Talkers played a pivotal role in World War II, sending thousands of messages in the language on Japanese troop movements and tactics.