Sounds of Life Heard from Cold War Sonar System

by Richard Sterk, Electronic Systems Analyst, Forecast International.

U.S. Navy Surveillance Towed Array Sensor Systems (SURTASS) Low Frequency Active (LFA) is part of the Integrated Undersea Surveillance System (IUSS), installed on U.S. Navy T-AGOS class ships. (Source: U.S. Navy)

Today, more and more nations are using highly advanced diesel-electric submarines that are extremely difficult to detect. And, the U.S. Navy has been forced to rely once again on its Surveillance Towed Array Sensor System (SURTASS) – not seen in priority use since the height of the Cold War. This sonar system is considered essential to America’s efforts to detect newer and quieter diesel-electric submarines, especially those operating in the littoral environment. Continue reading