What does MM1 stand for?

MM1 stands for "MACHINIST'S MATE 1ST CLASS PETTY OFFICER"

How to abbreviate "MACHINIST'S MATE 1ST CLASS PETTY OFFICER"?

"MACHINIST'S MATE 1ST CLASS PETTY OFFICER" can be abbreviated as MM1

What is the meaning of MM1 abbreviation?

The meaning of MM1 abbreviation is "MACHINIST'S MATE 1ST CLASS PETTY OFFICER"

What does MM1 mean?

MM1 as abbreviation means "MACHINIST'S MATE 1ST CLASS PETTY OFFICER"