Enlisted Sailors in the Navy Cryptology community analyze encrypted electronic communications, jam enemy radar signals, decipher information in foreign languages and maintain state-of-the-art equipment and networks used to generate top secret intel.
Their other responsibilities include:
* Collecting, analyzing and reporting on communication signals
* Utilizing computers, specialized computer-assisted communications equipment and video display terminals
* Serving as an important part of the Information Dominance Corps in its mission to gain a deep understanding of the inner workings of adversaries and develop unmatched knowledge of the battlespace during wartime
В каком месте вы там видите "шифрование и дешифрование сообщений"?