The attacked : MINESWEEPING BOATS HMCS Chedabucto HMCS Clayoquot HMCS Esquimalt HMCS Chedabucto HMCS Chedabucto Naval Museum of Quebec Photo: Royal Canadian Navy October 21, 1943 Offshore Saint-Siméon Collision with the Lord Kelvin Casualties: 1 dead This collision is due to the officers' lack of skills and a moment's confusion on the part of the crew.     HMCS Clayoquot HMCS Clayoquot Naval Museum of Quebec Photo: Royal Canadian Navy December 24, 1944 Offshore Cap-Breton Torpedoed by U-806 Casualties: 4 officers and 4 seamen. Following the loss of a ship offshore Halifax, probably due to a mine, the Clayoquot's crew was recalled and dispatched for an eventual minesweeping. This abruptly interrupted the crew's on shore leave. Eight people did not get to enjoy Christmas with their families.     HMCS Esquimalt HMCS Esquimalt Naval Museum of Quebec Photo: Royal Canadian Navy April 16, 1945 Offshore Cape Breton Torpedoed by U-190 Casualties: 5 officers and 39 seamen The minesweeping HMCS Esquimalt was christened in honour of the city of Esquimalt in British-Columbia, which shelters the Maritime Forces Pacific.