| Navy | The Royal Navy |
| Type | Minesweeper |
| Class | YMS |
| Pennant | J 812 |
| Built by | Associated Shipbuilders (Seattle, Washington, U.S.A.) |
| Ordered | 6 Jun 1941 |
| Laid down | 21 Mar 1942 |
| Launched | 27 May 1942 |
| Commissioned | 6 Oct 1942 |
| End service | |
| History | Returned to the USN on 23 May 1947. |
| Former name | BYMS 12 |
Commands listed for HMS BYMS 2012 (J 812)
Please note that we're still working on this section.
| Commander | From | To | |
| 1 | T/Skr. Cyril John Watson, RNR | 2 Jul 1942 | early 1944 |
| 2 | T/Skr. George John William Denton, RNR | early 1944 | Jan 1946 |
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Notable events involving BYMS 2012 include:
8 Sep 1943
Operation Slapstick.
Landing of troops at Taranto following the Italian armistice.
Around 1545/8, the light cruisers HMS Aurora (Commodore W.G. Agnew, CB, RN), HMS Penelope (Capt. G.D. Belben, DSC, AM, RN), HMS Dido (Capt. J. Terry, RN), HMS Sirius (Capt. P.W.B. Brooking, RN), USS Boise (T/Rear-Admiral T.H. Thebaud, USN) and the fast minelayer HMS Abdiel (Capt. D. Orr-Ewing, DSO, RN) departed Bizerta for Taranto. These cruisers and the minelayer had troops on board as well as stores and vehicles.
Around 0630/9, they joined the battleships HMS Howe (Capt. C.H.L. Woodhouse, CB, RN, flying the flag of Vice-Admiral A.J. Power, CB, CVO, RN) and HMS King George V (Capt. T.E. Halsey, DSO, RN) which had departed Malta around 2200/8 with the destroyers HMS Jervis (Capt. J.S. Crawford, DSO, RN), HMS Paladin (Lt. E.A.S. Bailey DSC, MBE, RN), HMS Panther (Lt.Cdr. R.W. Jocelyn, RN), HMS Pathfinder (Cdr. E.A. Gibbs, DSO and 3 Bars, RN), HMS Penn (Lt.Cdr. J.H. Swain, DSO, RN) and HMS Wishart (Lt. J.A. Holdsworth, RN).
Around 1315/9, the escort destroyers HMS Aldenham (Lt.Cdr. H.A. Stuart-Menteth, RN), HMS Croome (Lt. H.D.M. Slater, RN), HMS Hurworth (Cdr. R.H. Wright, DSC, RN) and RHS Kanaris joined coming from Sousse (via Malta) from where they had sailed on the 8th. They had on board a port party for Taranto.
Around 1630/9, the minesweepers HMS Hazard (Lt.Cdr. L.C. Smith, RN), HMS Hebe (Lt.Cdr. G. Mowatt, RD, RNR), HMS Sharpshooter (Lt.Cdr. W.L. O'Mara, DSC, RN) and HMS BYMS 2012 (T/A/Skr.Lt. C.J. Watson, RNR) joined. These ships had also departed Malta on the 8th. Around the same time HMS King George V with HMS Panther, Pathfinder, HMS Penn and HMS Wishart parted company. These ships were to remain at sea.
In the evening all the other ships entered the harbour of Taranto where the troops, port party, stores and vehicles were disembarked.
Troops were then to be disembarked, however, on 10 September, shortly after midnight, HMS Abdiel was mined and sunk with heavy loss of life inside the harbour before she had been able to disembark her troops.