Abbreviation Definition
MMLFNchinist's Mate (general) Fireman
MMLFNMachinist's Mate (general) Fireman
MMLFRchinist's Mate (general) Fireman Recruit
MMLFRMachinist's Mate (general) Fireman Recruit
MMMB1chinist's Mate (motor Boat) Petty Officer First Class
MMMB1Machinist's Mate (motor Boat) Petty Officer First Class
MMMB2chinist's Mate (motor Boat) Petty Officer Second Class
MMMB2Machinist's Mate (motor Boat) Petty Officer Second Class
MMO1chinist's Mate (optician) Petty Officer First Class
MMO1Machinist's Mate (optician) Petty Officer First Class
MMO2chinist'e Mate (optician) Petty Officer Second Class
MMO2Machinist'e Mate (optician) Petty Officer Second Class
MMR1chinist's Mate (refrigeration Mechanic) 1st Class Petty Officer
MMR1Machinist's Mate (refrigeration Mechanic) 1st Class Petty Officer
MMR2chinist's Mate (refrigeration Mechanic) 2nd Class Petty Officer
MMR2Machinist's Mate (refrigeration Mechanic) 2nd Class Petty Officer
MMR3chinist's Mate (refrigeration Mechanic) 3rd Class Petty Officer
MMR3Machinist's Mate (refrigeration Mechanic) 3rd Class Petty Officer
MMRCchinist's Mate (refrigeration Mechanic) Chief Petty Officer
MMRCMachinist's Mate (refrigeration Mechanic) Chief Petty Officer

Add a New Entry