MA-MZ Enlisted Personnel.
MA ARTIFICER BRANCH.
MA1 Chief electrician's mate.
MA2 Electrician's mate, first class.
MA3 Electrician's mate, second class.
MA4 Electrician's mate, third class.
MA5 Chief radioman.
MA6 Radioman, first class.
MA7 Radioman, second class.
MA8 Radioman, third class.
MA9 Chief carpenter's mate.
MA10 Carpenter's mate, first class.
MA11 Carpenter's mate, second class.
MA12 Carpenter's mate, third class.
MA13 Patternmaker, first class.
MA14 Patternmaker, second class.
MA15 Chief shipfitter.
MA16 Shipfitter, first class.
MA17 Shipfitter, second class.
MA18 Shipfitter, third class.
MA19 Sailmaker's mate, first class.
MA20 Sailmaker's mate, second class.
MA21 Sailmaker's mate, third class.
MA22 Chief printer.
MA23 Printer, first class.
MA24 Printer, second class.
MA25 Printer, third class.
MA26 Painter, first class.
MA27 Painter, second class.
MA28 Painter, third class.
MA29 Chief telegraphist.
MA30 Telegraphist, first class.
MA31 Telegraphist, second class.
MA32 Telegraphist, third class.
MB MESSMAN BRANCH.
MB1 Officer's steward, first class.
MB2 Officers' steward, second class.
MB3 Officers' steward, third class.
MB4 Officers' cook, first class.
MB5 Officers' cook, second class.
MB6 Officer's cook, third class.
MB7 Mess attendant, first class.
MB8 Mess attendant, second class.
MB9 Mess attendant, third class.
MC COMMISSARY BRANCH.
MC1 Chief commissary steward.
MC2 Commissary steward.
MC3 Ship's cook, first class.
MC4 Ship's cook, second class.
MC5 Ship's cook, third class.
MC6 Baker, first class.
MC7 Baker, second class.
MC8 Baker, third class.
ME ARTIFICER BRANCH--ENGINE-ROOM FORCES.
ME1 Chief machinist's mate.
ME2 Machinist's mate, first class.
ME3 Machinist's mate, second class.
ME3-1 Machinist's mate, third class.
ME4 Chief motor machinist's mate.
ME5 Motor machinist's mate, first class.
ME6 Motor machinist's mate, second class.
ME6-1 Motor machinist's mate, third class.
ME7 Engineman, first class.
ME8 Engineman, second class.
ME9 Chief water tender.
ME10 Water tender, first class.
ME11 Water tender, second class.
ME12 Boilermaker, first class.
ME13 Boilermaker, second class.
ME13-1 Boilermaker, third class.
ME14 Molder, first class.
ME15 Molder, second class.
ME15-1 Molder, third class.
ME16 Blacksmith, first class.
ME17 Blacksmith, second class.
ME17-1 Blacksmith, third class.
ME18 Coppersmith, first class.
ME19 Coppersmith, second class.
ME19-1 Coppersmith, third class.
ME20 Fireman, first class.
ME21 Fireman, second class.
ME22 Fireman, third class.
ME23 Metalsmith, chief.
MF RESERVE FORCES.
Combine with branch and rate title numbers as necessary. A number will be added for each class of reserve force.
MI INSULAR FORCES.
ML MARINE CORPS ENLISTED PERSONNEL.
ML1 Sergeant major.
ML2 Quartermaster sergeant.
ML3 First sergeant.
ML4 Gunnery sergeant.
ML5 Drum major.
ML6 Sergeant.
ML7 Corporal.
ML8 Private, first class.
ML9 Drummer.
ML10 Trumpeter.
ML11 Private.
ML12 Apprentice.
ML13 Leader of the band.
ML14 Second leader of the band.
ML15 Principal musician.
ML16 First-class musician.
ML17 Second-class musician.
ML18 Third-class musician.
ML19 Specialists.
MM ENLISTED PERSONNEL.
The name, title, file number for correspondence on an enlisted man shall be the letters "MM" followed by the name and service number of the man in question. His service number may be obtained from his service record. The use of the "MM" to designate enlisted personnel is optional.
MR RETIRED ENLISTED PERSONNEL.
Combined with branch and rate title numbers necessary.
MS SEAMAN BRANCH.
MS1 Chief master at arms.
MS2 Master at arms, first class.
MS3 Chief boatswain's mate.
MS4 Boatswain's mate, first class.
MS5 Boatswain's mate, second class.
MS6 Coxswain.
MS7 Chief gunner's mate.
MS8 Gunner's mate, first class.
MS9 Gunner's mate, second class.
MS10 Gunner's mate, third class.
MS11 Chief torpedoman.
MS12 Torpedoman, first class.
MS13 Torpedoman, second class.
MS14 Torpedoman, third class.
MS15 Chief turret captain.
MS16 Turret captain, first class.
MS17 Chief quartermaster.
MS18 Quartermaster, first class.
MS19 Quartermaster, second class.
MS20 Quartermaster, third class.
MS21 Chief signalman.
MS22 Signalman, first class.
MS23 Signalman, second class.
MS24 Signalman, third class.
MS25 Chief fire controlman.
MS26 Fire controlman, first class.
MS27 Fire controlman, second class.
MS27-1 Fire controlman, third class.
MS28 Seaman, first class.
MS29 Seaman, second class.
MS30 Apprentice seaman.
MV AVIATION BRANCH.
MV1 Aviation pilots.
MV2 Aviation chief machinist's mate.
MV3 Aviation machinist's mate, first class.
MV4 Aviation machinist's mate, second class.
MV4-1 Aviation machinist's mate, third class.
MV5 Aviation chief metalsmith.
MV6 Aviation metalsmith, first class.
MV7 Aviation metalsmith, second class.
MV8 Aviation metalsmith, third class.
MV9 Aviation chief carpenter's mate.
MV10 Aviation carpenter's mate, first class.
MV11 Aviation carpenter's mate, second class.
MV12 Aviation carpenter's mate, third class.
MV13 Aviation chief rigger.
MV14 Aviation rigger, first class.
MV15 Aviation rigger, second class.
MV16 Aviation rigger, third class.
MV17 Chief aerographers.
MV18 Aerographer, first class.
MV19 Aerographer, second class.
MV20 Aerographer, third class.
MV21 Aviation chief ordnance man.
MV22 Aviation ordnance man, first class.
MV23 Aviation ordnance man, second class.
MV24 Aviation ordnance man, third class.
MV25 Chief photographer.
MV26 Photographer, first class.
MV27 Photographer, second class.
MV28 Photographer, third class.
MX NAVY MAIL CLERKS.
MY SPECIAL BRANCH.
MY1 Chief yeoman.
MY2 Yeoman, first class.
MY3 Yeoman, second class.
MY4 Yeoman, third class.
MY5 Chief storekeeper.
MY6 Storekeeper, first class.
MY7 Storekeeper, second class.
MY8 Storekeeper, third class.
MY13 Chief pharmacist's mate.
MY14 Pharmacist's mate, first class.
MY15 Pharmacist's mate, second class.
MY16 Pharmacist's mate, third class.
MY17 Hospital apprentice, first class.
MY18 Hospital apprentice, second class.
MY19 Bugler, first class.
MY20 Bugler, second class.
MY21 Bandmaster.
MY22 First musician.
MY23 Musician, first class.
MY24 Musician, second class.
MY25 Leader, United States Navy Band.
MY26 Leader, second, United States Navy Band.
MY27 Divers.
MY28 Buglemaster chief, first and second classes.
MY29 Dental technicians.
MY30 Yeomanettes.
MZ NAVAL AUXILIARY MEN.
(This applies only to the old collier service)
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