| Navy | The Royal Navy |
| Type | Motor minesweeper |
| Class | MMS I |
| Pennant | J 523 |
| Built by | Husband's Yacht Yard (Cracknor, England, U.K.) |
| Ordered | 17 Jan 1940 |
| Laid down | |
| Launched | 18 Oct 1941 |
| Commissioned | 30 Mar 1942 |
| End service | |
| History | Sold in 1945 |
Commands listed for HMS MMS 23 (J 523)
Please note that we're still working on this section.
| Commander | From | To | |
| 1 | T/Skr. John Russell Watson, RNR | 17 Feb 1942 | 25 May 1944 |
| 2 | T/A/Ch.Skr. Richard Rawlinson Snape, RNR | 25 May 1944 | late 1945 |
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