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What does MM stand for?

MM stands for Machinist's Mate (USN Rating)

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Military and Government

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Other Resources:
We have 165 other meanings of MM in our Acronym Attic

Samples in periodicals archive:

Aviation Machinist's Mate 3rd Class Aaron Jenkins assigned to VFA-2 inspects an engine turbine on an F/A-18F Super Hornet in the hangar bay of USS Abraham Lincoln (CVN 72).
During WW II he served with the United States Navy as an Aviation Machinist's Mate Second Class.
A machinist's mate in the Navy during World War II, Elmer Stone named his first tugboat the Susan D in honor of his daughter, Susan; his wife, Dot; and his son.
A proud veteran, Arnold served his country as a member of the US Navy's "Tin Can Sailor's" as a Machinist's Mate, First Class, serving aboard destroyers.
Should we accept a fatigued aviation machinist's mate replacing a vital engine part, after working 15 hours straight, just because he or she isn't flying an aircraft?