What does SM3 stand for?

What does SM3 mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: SM3.

We've found a total of 2 definitions for SM3:

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Salvage Mechanic Third Class

Governmental » Military

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Signalman 3rd Class Petty Officer

Governmental » Navy

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"SM3." Abbreviations.com. STANDS4 LLC, 2016. Web. 13 Feb. 2016. <http://www.abbreviations.com/SM3>.