| Navy | The Royal Canadian Navy |
| Type | Minesweeper |
| Class | Bangor |
| Pennant | J 270 |
| Mod | Diesel engined |
| Built by | Marine Industries Ltd. (Sorel, Quebec, Canada) |
| Ordered | |
| Laid down | 9 Dec 1940 |
| Launched | 20 Jun 1941 |
| Commissioned | 19 Sep 1942 |
| End service | 1958 |
| History | Decommissioned 28 August 1945. |
Commands listed for HMCS Brockville (J 270)
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. Charles Petersen, RCNR | 15 Jun 1942 | 13 Mar 1943 |
| 2 | Lt. Richard Cassels Chenoweth, RCNVR | 14 Mar 1943 | 17 Jul 1943 |
| 3 | T/Lt. Charles Petersen, RCNR | 18 Jul 1943 | 23 Jul 1943 |
| 4 | Lt. Breen Philip Young, RCNR | 24 Jul 1943 | 17 Sep 1943 |
| 5 | T/Lt. Frank Kinnear Ellis, RCNVR | 18 Sep 1943 | 2 Aug 1944 |
| 6 | T/Lt. Malcolm George McCarthy, RCNVR | 3 Aug 1944 | 17 Dec 1944 |
| 7 | T/Lt. John Richard Bell, RCNVR | 18 Dec 1944 | 7 Feb 1945 |
| 8 | T/Lt. John Oscar Laybourne Lake, RCNR | 8 Feb 1945 | 29 Jul 1945 |
| 9 | T/Lt. Edward Ernest MacInnis, RCNR | 30 Jul 1945 | 28 Aug 1945 |
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Notable events involving Brockville include:
7 May 1943
Convoy HX 238.
This convoy departed New York on 7 May 1943.
It was made up of the following transports / tankers; Atlanta City (American, 5686 GRT, built 1921), Basil (British, 4913 GRT, built 1928), Bernard N. Baker (American, 7191 GRT, built 1943), Bralanta (Norwegian (tanker), 9608 GRT, built 1936), British Fidelity (British (tanker), 8465 GRT, built 1938), Cyrus Field (British (cable ship), 1288 GRT, built 1924), Daphnella (British (tanker), 8078 GRT, built 1938), Edward N. Hurley (American, 7191 GRT, built 1943), Edwin M. Stanton (American, 7176 GRT, built 1942), Egero (Norwegian (tanker), 7590 GRT, built 1929), Elizabeth Bakke (Norwegian, 5450 GRT, built 1937), Elmer A. Sperry (American, 7176 GRT, built 1942), Empire Nugget (British (tanker), 9807 GRT, built 1942), Evita (Norwegian (tanker), 6346 GRT, built 1927), Fort Acton (British, 7122 GRT, built 1942), Franz Klasen (Panamanian (tanker), 11194 GRT, built 1932), Glenogle (British, 9513 GRT, built 1920), Kaldfonn (Norwegian (tanker), 9931 GRT, built 1936), Levernbank (British, 5150 GRT, built 1925), Lista (Norwegian, 3671 GRT, built 1920), Miralda (British (tanker), 8013 GRT, built 1936), Montevideo (Norwegian, 4639 GRT, built 1928), Morgenen (Norwegian (tanker), 7093 GRT, built 1930), Noesaniwi (Dutch, 6737 GRT, built 1936), Norvinn (Panamanian (tanker), 6322 GRT, built 1930), O.B. Sorensen (Norwegian (tanker), 7919 GRT, built 1931), Pan-Maryland (American (tanker), 7701 GRT, built 1938), Philipp Barbour (American, 7176 GRT, built 1942), Ralph Waldo Emerson (American, 7176 GRT, built 1942), Robert E. Peary (American, 7181 GRT, built 1942), San Ambrosio (British (tanker), 7410 GRT, built 1935), Southern Sun (American (tanker), 8893 GRT, built 1931) and William J. Worth (American, 7176 GRT, built 1943).
The escort carrier HMS Fencer (Capt. E.W. Anstice, RN), carrying new aircraft was also part of the convoy. She was not able to operate aircraft.
On departure from New York the convoy was escorted by the corvettes HMCS Lethbridge (T/Lt.Cdr. W. Woods, RCNR), HMCS Oakville (T/Lt. H. Farncomb, RCNVR) and the minesweeper HMCS Brockville (Lt. R.C. Chenoweth, RCNVR).
On 9 May 1943, the following merchant vessels departed Halifax to join the convoy Aedanus Burke (American, 7176 GRT, built 1943), Alcedo (Panamanian, 1392 GRT, built 1937), Argolicos (Greek, 4786 GRT, built 1921), Bruarfoss (Icelandic, 1580 GRT, built 1927), Cavina (British, 6907 GRT, 1924), City of Glasgow (British, 5321 GRT, 1920), City of Kimberley (British, 6169 GRT, built 1925), Emma Willard (American, 7176 GRT, built 1943), Fort Abitibi (British, 7122 GRT, built 1942), Manchester Commerce (British, 5343 GRT, built 1925), Tjisalak (Dutch, 5787 GRT, built 1917) and Troubadour (Norwegian, 5808 GRT, built 1920).
They were escorted by the destroyer HMS Chelsea (Lt.Cdr. J.E.R. Wilford, RNR) and the corvettes HMCS Shawinigan (T/Lt. C.P. Balfry, RCNR), HMCS Sudbury (T/Lt. D.S. Martin, RCNR) and the minesweeper HMCS Milltown (A/Lt.Cdr. J.H. Marshall, RCNVR).
On these ships from Halifax joining, most likely on 10 May, the Cyrus Field parted company with the convoy to proceed, with the original escort, to Halifax where they arrived on 11 May 1943.
On 12 May 1943, the merchant vessels Stephen A. Douglas (American, 7219 GRT, built 1942) and Wendell Phillips (American, 7176 GRT, built 1942) sailed from St.John's, Newfoundland to join the convoy.
They were escorted by the destroyers HMCS Skeena (A/Lt.Cdr. E.E.G. Boak, RCN), corvettes HMCS Algoma (T/A/Lt.Cdr. J. Harding, RCNR), HMCS Bittersweet (T/Lt. F.B. Brooks-Hill, RCNVR), HMCS Eyebright (T/Lt. H.L. Quinn, RCNVR), HMCS Galt (T/Lt. A.M. Kirkpatrick, RCNVR), HMCS Mayflower (Lt. V. Browne, RCNR), HMCS Pictou (T/Lt. P.T. Byers, RCNR) and the A/S trawler HMS Northern Sun (T/Lt. W.G.N. Aplin, RNR). The rescue tug HMS Samsonia was also with them. They joined the convoy on 13 May 1943. On these ship joining HMS Chelsea, HMCS Shawinigan, HMCS Sudbury and HMCS Milltown were detached to proceed to St. John's.
On the 14th the destroyer HMS Burnham (Cdr. R.C. Medley, DSO, RN) and corvette HMCS La Malbaie (T/Lt. J.S. Davis, RCNVR) departed St. John's to overtake and join the convoy.
Around 0415A/20, HMS Fencer and HMCS Skeena to proceed to Belfast and Londonderry respectively.
The convoy arrived in U.K. waters on 21/22 May 1943.