Rank Insignia Comparison Table USN Rank Insignia Officers (1941-43) Enlisted (1941-43) IJN Rank Insignia Officers (1931-45) Enlisted (1931-42) Enlisted (1942-45)
  USN Petty Officers and Seamen Rank Insignia 1941-1943
 
Chief Petty Officer, Petty Officer 1st Class, Petty Officer 2nd Class, Petty Officer 3rd Class, Seaman 1st class, Seaman 2nd class, Apprentice Seaman
     Chief
     Petty Officer
  Petty Officer
  1st Class
Petty Officer
2nd Class
Petty Officer 
3rd Class 
Seaman
1st Class
Seaman    
2nd Class    
Apprentice       Seaman     
Rank Insignia  
Chief Petty Officer Petty Officer 1st class Petty Officer 2nd class Petty Officer 3rd class Seaman 1st Class Seaman 2nd Class Seaman Apprentice
Non-Rated Personnel Branch Marks (Watch Marks)  
Branch Marks: Seamen Branch Marks: Firemen Branch Marks: Hospital Apprentices, Buglers.
Seamen Firemen Hospital Apprentices, Buglers,
Musicians, Mess Attendants
Seaman Branch  
Bootswain's Mate Bootswain's Mate Quartermaster Quartermaster Signalman Signalman Fire Controlman Fire Controlman Gunners's Mate Gunners's Mate Turret Captain Turret Captain
    Mineman Mineman Torpedoman Torpedoman    
Artificer Branch  
Carpenter's MateCarpenter's Mate
PatternmakerPatternmaker PainterPainter ShipfitterShipfitter Electrician's MateElectrician's Mate PrinterPrinter
Radio TechnicianRadio Technician RadiomanRadioman TelegrapherTelegrapher
RadarmanRadarman SoundmanSoundman  
Engine Room Force, Artificer Branch  
BoilermakerBoilermaker Water TenderWater Tender Machinist's MateMachinist's Mate Motor Machinist's MateMotor Machinist's M. MetalsmithMetalsmith MolderMolder
Aviation Branch  
Aviation PilotAviation Pilot
Aviation Machinist's MateAv. Machinist's M. AerographerAerographer Parachute RiggerParachute Rigger Aviation OrdnancemanAv. Ordnanceman Airship RiggerAirship Rigger
Aviation Electrician's MateAv. Electrician's M. Aviation RadiomanAv. Radioman Aviation Radio TechnicanAv. Radio Technic. Aviation MetalsmithAv. Metalsmith
Storekeeper VStorekeeper V Torpedoman VTorpedoman V
    Painter VPainter V
Photographer's MatePhotographer's Mate    
Special Branch  
Pharmacist's MatePharmacist's Mate StorekeeperStorekeeper YeomanYeoman MusicianMusician BandmasterBandmaster BuglemasterBuglemaster
Commissary Branch, Messman/Steward Branch  
Commissary StewardCommissary Steward Baker
Baker
Ship's CookShip's Cook Officer's CookOfficer's Cook Officer's StewardOfficer's Steward  
Specialists  
Athletic Instructor¬†Athletic Instructor Gunnery InstructorGunnery Instruct. I.B.M. OperatorI.B.M. Operator Mail ClerkMail Clerk Ordnance InspectorOrdnance Inspect. Photographic SpecialistPhoto. Specialist
Comunication SecurityComunication Sec. Shore PatrolShore Patrol TeacherTeacher Transport AirmanTransport Airman WelfareWelfare Contol Tower OperatorContol Tower Oper.
Service Stripes and Bages   Versions for Different Types of Uniform
Petty officer's service stripes Petty officer's gold service stripes Chief Petty Officer, gold badge Chief Petty Officer badge for forestry green Petty Officer 1st class badge for field khaki Chief Petty Officer badge for summer white
One stripe for each
4 years of service
Gold service stripes and badge for 12 and more years of Good Conduct Service For forestry
green (aviation)
For field khaki
(USMC)
For summer
white

Sources:
1. John A. Stacey, “U.S. Navy Rating Badges, Specialty Marks & Distinguishing Marks 1885-1982”, 1982