| Navy | The Royal Navy |
| Type | Motor minesweeper |
| Class | MMS I |
| Pennant | J 633 |
| Built by | Wilson Noble (Fraserburgh, Scotland, U.K.) |
| Ordered | 31 Jan 1941 |
| Laid down | |
| Launched | 6 Sep 1941 |
| Commissioned | 29 Jan 1942 |
| End service | |
| History | To France in July 1944 |
Commands listed for HMS MMS 133 (J 633)
Please note that we're still working on this section
and that we only list Commanding Officers for the duration of the Second World War.
| Commander | From | To | |
| 1 | J V Bullin, RNVR | 26 Nov 1941 | 17 Jan 1943 |
| 2 | T/Lt. Edward Michael Mann, RNVR | 17 Jan 1943 | Jul 1944 |
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