| Navy | The Royal Canadian Navy |
| Type | Minesweeper |
| Class | Bangor |
| Pennant | J 21 |
| Mod | VTE reciprocating engined |
| Built by | North Vancouver Ship Repairs Ltd. (Vancouver, British Columbia, Canada) |
| Ordered | 28 Nov 1940 |
| Laid down | 30 Dec 1940 |
| Launched | 9 Jun 1941 |
| Commissioned | 6 Mar 1942 |
| End service | 24 Sep 1945 |
| History | Decommissioned 24 September 1945. |
| Former name | HMS Canso |
Commands listed for HMCS Canso (J 21)
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 | T/Lt. Hugh Sinclair MacFarlane, RCNR | 26 Feb 1942 | 3 Feb 1943 |
| 2 | T/Lt. John Kincaid, RCNR | 4 Feb 1943 | 4 Oct 1944 |
| 3 | T/Lt. James Marshall Gracey, RCNVR | 5 Oct 1944 | 24 Sep 1945 |
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