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The following graphs present the rank insignia of the Imperial Japanese Navy from its establishment in 1868 to its defeat during World War II in 1945. These designs were used from 1931 onwards.

Contents

Commissioned officer ranksEdit

[1]

Cap badges:

All-forces ranks IJN insignia (sleeve) IJN insignia (collar & shoulder boards)
大元帥、海軍大将 Daigensui-kaigun-taishō
(Lord high admiral / Admiralissimo)
   
OF-10
元帥、海軍大将 Gensui-kaigun-taishō
(Admiral of the fleet / Grand admiral)
  
(Same insignia as admiral; with enamelled breast badge)
 
OF-9
海軍大将 Kaigun-taishō
(Admiral)
   
OF-8
海軍中将 Kaigun-chūjō
(Vice-admiral)
   
OF-7
海軍少将 Kaigun-shōshō
(Rear-admiral)
   
OF-5
海軍大佐 Kaigun-daisa
(Captain)
   
OF-4
海軍中佐 Kaigun-chūsa
(Commander)
   
OF-3
海軍少佐 Kaigun-shōsa
(Lieutenant-commander)
   
OF-2
海軍大尉 Kaigun-daii
(Lieutenant)
   
OF-1
海軍中尉 Kaigun-chūi
(Sub-lieutenant / Lieutenant junior grade)
   
OF-1
海軍少尉 Kaigun-shōi
(Ensign)
   

Cadet and warrant officer ranksEdit

All-forces ranks IJN insignia (sleeve) IJN insignia (collar & shoulder boards)
OF(D)
海軍少尉候補生 Kaigun shōi kōhosei
(Midshipman)
   
OR-9
兵曹長 Heisōchō
(Warrant Officer)
   

Enlisted ratesEdit

All warrant and commissioned officer ranks had the same names as their army counterparts. For seamen and petty officers, which were selected from enlisted men or conscripts and given one year of training in the Navy PO Academy, the naming changed in November 1942. Both of the names were different from the army names but were equal in rank.

Before 1942 After 1942 IJN insignia (upper sleeve)
Petty officers 下士官 (Kashikan)
OR-7
一等兵曹 Ittōheisō
Petty officer first class
OR-7
上等兵曹 Jōtōheisō
Chief petty officer
 
OR-6
二等兵曹 Nitōheisō
Petty officer second class
OR-6
一等兵曹 Ittōheisō
Petty officer first class
 
OR-5
三等兵曹 Santōheisō
Petty officer third class
OR-5
二等兵曹 Nitōheisō
Petty officer second class
 
Enlisted/Seamen 水兵 (Suihei)
OR-4
一等水兵 Ittōsuihei
Seaman first class
OR-4
水兵長 Suiheichō
Leading seaman
 
OR-3
二等水兵 Nitōsuihei
Seaman second class
OR-3
上等水兵 Jōtōsuihei (senior seaman)
Able seaman
 
OR-2
三等水兵 Santōsuihei
Seaman third class
OR-2
一等水兵 Ittōsuihei (seaman first class)
Ordinary seaman
 
OR-1
四等水兵 Yontōsuihei
Seaman
(seaman fourth class)
OR-1
二等水兵 Nitōsuihei (seaman second class)
Seaman recruit
 

Service branch colorsEdit

The branch of the Navy in which non-executive personnel served was indicated by a color code. For officers, including midshipmen, it was the color of cloth placed as background to the cuff stripes, on both sides of the gold lace on the shoulder boards, and as longitudinal piping on the collar patches. Midshipmen and cadets wore a colored anchor on the cap, which cadets wore on the shoulder boards as well.[2] The branch of enlisted men was denoted by the color of the Chrysanthemum flower on their rank patch; line personnel using the default gold.

Color Branch
Violet Engineering
Brown Ship and engine construction
Purple-brown Ordnance construction
Red Medical
Pale green Legal
White Paymaster
Black Survey officers
Light blue Aviation (Imperial Japanese Navy Air Service) and Hydrography
Green Chief carpenters (warrant officer)
Grey-blue Band master (warrant officer)

See alsoEdit

ReferencesEdit

  1. ^ Rosignoli, Guido (1980). Naval and Marine Badges and Insignia of World War 2. Blandford Colour Series. Link House, West Street, Poole, Dorset, BH15 1LL: Blandford Press Ltd. pp. 152–153.
  2. ^ Rosignoli, Guido (1980). Naval and Marine Badges and Insignia of World War 2. Blandford Colour Series. Link House, West Street, Poole, Dorset, BH15 1LL: Blandford Press Ltd. pp. 152–153.