| NATO code | OF-10 | OF-9 | OF-8 | OF-7 | OF-6 | OF-5 | OF-4 | OF-3 | OF-2 | OF-1 | ||||||||||||||
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 NOAA |
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| Vice admiral | Rear admiral | Rear admiral (lower half) |
Captain | Commander | Lieutenant commander | Lieutenant | Lieutenant (junior grade) |
Ensign | ||||||||||||||||
| NATO code | OF-10 | OF-9 | OF-8 | OF-7 | OF-6 | OF-5 | OF-4 | OF-3 | OF-2 | OF-1 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOAA |
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| Vice admiral | Rear admiral | Rear admiral (lower half) |
Captain | Commander | Lieutenant commander | Lieutenant | Lieutenant (junior grade) |
Ensign | ||||||||||||||||