| Navy | The Royal Canadian Navy |
| Type | Destroyer |
| Class | C |
| Pennant | I 18 |
| Built by | J.S. White & Co. (Cowes, U.K.) |
| Ordered | |
| Laid down | 18 Oct 1930 |
| Launched | 29 Oct 1931 |
| Commissioned | 19 Oct 1939 |
| End service | 8 Aug 1945 |
| Loss position | |
| History | Former HMS Kempenfelt, transferred to the Royal Canadian Navy at Devonport on 19 October 1939. Decommissioned on 8 August 1945. Commanding Officers: Capt. George Clarence Jones, RCN Capt. Cuthbert Robert Holland Taylor, RCN Capt. Leonard Warren Murray, RCN A/Lt.Cdr. John Hamilton Stubbs, RCN Lt. Ralph Lucien Hennessy, RCN Lt.Cdr. Ernest Patrick Tisdall, RCN Cdr. Kenneth Frederick Adams, RCN A/Lt.Cdr. Robert Philip Welland, DSC, RCN A/Lt.Cdr. Ralph Lucien Hennessy, DSC, RCN Cdr. Edgar Lorne Armstrong, RCN |
| Former name | HMS Kempenfelt (i) |
Commands listed for HMCS Assiniboine (I 18)
Please note that we're still working on this section.
| Commander | From | To | |
| 1 | Cdr. Edmond Rollo Mainguy, RCN | 10 Sep 1939 | 2 Apr 1940 |
| 2 | George Clarence Jones, RCN | 3 Apr 1940 | 15 Sep 1940 |
| 3 | Cuthbert Robert Holland Taylor, RCN | 15 Sep 1940 | 29 Oct 1940 |
| 4 | Leonard Warren Murray, RCN | 30 Oct 1940 | 11 Feb 1941 |
| 5 | A/Lt.Cdr. John Hamilton Stubbs, RCN | 12 Feb 1941 | 1 Oct 1942 |
| 6 | Ralph Lucien Hennessy, RCN | 2 Oct 1942 | 1 Dec 1942 |
| 7 | Ernest Patrick Tisdall, RCN | 2 Dec 1942 | 10 Feb 1943 |
| 8 | Cdr. Kenneth Frederick Adams, RCN | 11 Feb 1943 | 30 Sep 1943 |
| 9 | Robert Philip Welland, RCN | 1 Oct 1943 | 8 Nov 1944 |
| 10 | Ralph Lucien Hennessy, RCN | 9 Nov 1944 | 21 Feb 1945 |
| 11 | Edgar Lorne Armstrong, RCN | 22 Feb 1945 | 8 Aug 1945 |
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Noteable events involving Assiniboine include:
8 Mar 1940
The British light cruiser HMS Dunedin (Capt. C.E. Lambe, CVO, RN) and the Canadian destroyer HMCS Assiniboine (Cdr. E.R. Mainguy, RCN) intercept and capture the German merchant Hannover near Jamaica.
The Hannover later became the first British escort carrier HMS Audacity.
31 Aug 1941
HMCS Assiniboine (A/Lt.Cdr. J.H. Stubbs, RCN) picks up 3 survivors from the British merchant Embassage that was torpedoed and sunk on 27 August 1941 by the German submarine U-557 about 100 nautical miles west of Achill Island in position 54º00'N, 13º00'W.
3 May 1942
HMCS Assiniboine (A/Lt.Cdr. J.H. Stubbs, RCN) and HMCS Alberni (T/Lt. A.W. Ford, RCNR) together pick up 47 survivors from the British tanker British Workman that was torpedoed and sunk by the German sumarine U-455 south-south-east of Cape Race in position 44º07'N, 51º53'W.
9 Jun 1942
The destroyer HMCS Assiniboine (Cdr J.H. Stubbs, RCN) picks up the 4 survivors from the sunken corvette FFL Mimosa (J 6254). The other 65 crewmen perished in the sinking.
6 Aug 1942
The German submarine U-210 was sunk in the North Atlantic south of Cape Farewell, Greenland, in position 54º24'N, 34º37'W, by ramming, depth charges and gunfire from the Canadian destroyer HMCS Assiniboine (A/Lt.Cdr. J.H. Stubbs, RCN). (see map)
2 Mar 1943
HMCS Assininboine (Cdr. K.F. Adams, RCN) was damaged by her own depth charges when she tried to attack the German submarine U-119 in the middle of the North Atlantic. She proceeded to Liverpool, U.K. for repairs (arrived there on 7 March) and was out of action for nearly three months.
14 Feb 1945
HMCS Assiniboine (A/Lt.Cdr. R.L. Hennessy, DSC, RCN) was damaged in a collision the merchant Empire Bond in the English Channel. Assiniboine went to Sheerness for repairs that lasted until early March.