What was one of the primary challenges faced by the Navajo Code Talkers?

One of the primary challenges faced by the Navajo Code Talkers was the necessity of rapidly creating and transmitting messages. Their role required them to swiftly encode complex military communications into a code that utilized their native Navajo language. This process had to be executed at high speed to keep pace with battlefield demands, ensuring that messages were sent and received promptly to maintain effective communication and coordination during military operations. The unique structure of the Navajo language, while advantageous for creating an unbreakable code, also required the Code Talkers to think quickly and transmit messages efficiently under pressure, making speed and accuracy crucial in their duties.