High Quality Content by WIKIPEDIA articles! Sonar Technician (abbreviated as ST) is a United States Navy occupational rating. SoM - Soundman: Pay grades 2c and 3c established 1942; pay grades C and 1c established 1943; SoMH - Soundman (Harbor Defense); SO - Sonarman: 1943-1964; SOG - Sonarman (Sonar); SOH - Sonarman (Harbor Defense); ST- Sonar Technician: 1964–present; STG- Sonar Technician (Surface); STS- Sonar Technician (Submarine); ST's are responsible for underwater surveillance. They assist in safe navigation and aid in search, rescue and attack operations. They operate and repair sonar equipment. ST's track underwater threats and send tracks to fire control (antisubmarine warfare controlling station) operator (ASWCS)for further evaluation and or destruction.

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