Final answer:
During World War II, the United States soldiers using the Navajo language for secure radio communication were known as the Navajo code talkers. They were part of a broader group of Native American code talkers whose contributions were vital to the war effort due to the uniqueness and security of their languages.
Step-by-step explanation:
Navajo code:
The United States soldiers who utilized their native language over the radio during World War II were called Navajo code talkers. These individuals were a part of a larger group of Native Americans serving the military and were crucial for secure communication.
The Navajo code talkers underwent rigorous training, where they memorized as many as 17 pages of codes. Their ability to quickly and accurately transmit messages without the need for encryption devices was indispensable throughout the Pacific campaign. The Navajo language was leveraged as a code because it was undecipherable to the enemy, with less than a handful of non-Navajo people understanding it worldwide. This allowed instant communication across American forces without the fear of interception by the Japanese.
In addition to the Navajo, other tribes such as the Comanches and Meskwakis also contributed as code talkers, playing a significant role in the European and North African theaters. The commitment and resourcefulness of these Native American code talkers underline their vital role in wartime efforts and the preservation of their languages as a strategic asset.