| James Howard Turner R.N. | Explanation | ||
| Date (from) | (Date to) | Personal | |
| No personal data. | |||
| Date | Rank | ||
| 10 January 1825 | Lieutenant | ||
| Date from | Date to | Service | |
| 14 May 1838 | Lieutenant and commander in Ranger, Falmouth | ||
| 22 May 1848 | Lieutenant and commander in Merlin, Mediterranean | ||
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