harbor defense sonarman
1Sonar 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… …
