How USS Abraham Lincoln Uses Light Signals In Radio Silence (opens in new tab)

The USS Abraham Lincoln \(CVN-72\) still relies on centuries-old light signalling technology to communicate secretly at sea\. Using powerful Aldis lamps, sailors transmit coded flashes of light between warships while maintaining complete radio silence to avoid enemy detection\. Though modern navies operate with advanced encrypted systems, visual signalling remains one of the most secure ways to communicate during stealth operations and electronic warfare\. From World War battlefields to today...