 Nautilus (secure telephone)

Nautilus is a secure telephone system developed by the United States government, designed to provide secure voice communication for sensitive and classified information. It is primarily used by government officials, military personnel, and other authorized users who require protection against eavesdropping and interception. The Nautilus system utilizes encryption techniques to safeguard conversations, ensuring that only intended recipients can understand the transmitted information. The system is part of broader efforts to enhance telecommunications security in a variety of contexts, including national security and military operations.