Sound Surveillance System

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The Sound Surveillance System [SOSUS] is a series of listening posts laid along the seafloor in strategically important locations in the Atlantic Ocean, such as the GIUK [Greenland-Iceland-United Kingdom] Gap and in certain locations in the Pacific Ocean. Its purpose was first to detect Soviet submarines moving into the open ocean. First operational in 1961 its hydrophones have been steadily upgraded since in order to keep up with more advanced submarine technology.

Scenarios Featuring SOSUS[edit]