NAVY - Imperial Japanese Navy (1931-1942) [collar insignia]
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| SHO I KOHOSEI |
| Midshipman |
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| JUN I | SHO I | CHU I | TAI I |
| Warrant Officer | Acting Sub-Lieutenant | Sub-Lieutenant | Leutenant |
| Construction | Justice |
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| SHO SA | CHU SA | TAI SA |
| Lieutenant Commander | Commander | Captain |
| Aviation | Medical |
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| SHO SHO | CHU JO | TAI SHO |
| Rear Admiral | Vice Admiral | Admiral |