History of Maritime
US Navy
US Army History and Traditions
US Navy History and Traditions

What is a navy signalman third class?


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It is an individual that has attended Signalman (SM) A-school in the United States Navy and also achieved the rank of E-4 (Petty Officer Third Class). When the rating (job) and rank are combined, one would use the term Signalman Third Class (SM3).

As a side note, the rating of Signalman (SM) was merged into Quartermasters (QM) in 2003.