The Mackenzie-class destroyer was a class of warship used by the Royal Canadian Navy

Royal Canadian Navy

The history of the Royal Canadian Navy goes back to 1910, when the naval force was created as the Naval Service of Canada and renamed a year later by King George V. The Royal Canadian Navy is one of the three environmental commands of the Canadian Forces...

 and Canadian Forces

Canadian Forces

The Canadian Forces , officially the Canadian Armed Forces , are the unified armed forces of Canada, as constituted by the National Defence Act, which states: "The Canadian Forces are the armed forces of Her Majesty raised by Canada and consist of one Service called the Canadian Armed Forces."...

 from the 1960s-1990s. Six such ships were envisioned, of which four were completed to this specification. The last two hulls were completed to the post DDH conversion design (which included helicopter hangars); they were designated as s instead.

The four Mackenzie-class destroyers spent most of their service in the Pacific arena

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

, used primarily in the training role. Their only significant update was the DELEX (destroyer life extension) program and thus were largely obsolete in their intended role by the late 1970s.

The Mackenzie class was similar to the previous Restigouche-class, which was a follow-on to the St. Laurent-class. The most noticeable change for Mackenzie was the replacement of the forward 3"/50 gun with a 3"/70 and the presence of a fire-control director atop the bridge superstructure. The bridge was raised one full deck higher than on previous classes in order to see over the new gun mount.

The Vickers 3"/70 Mk.6 gun was developed by the Royal Navy

Royal Navy

The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 and fitted to the Tiger-class cruisers

Tiger class cruiser

The Tiger-class helicopter cruisers were the first of such a type in the Royal Navy, and the last cruisers built for the Royal Navy. They were originally designed to be Minotaur-class light cruisers...

, with the RCN being the only other customer. The weapon had several shortcomings, and it was only installed on the first three hulls. received a 3"/50 gun instead.

HMCS Mackenzie was used in an episode of The X-Files

The X-Files

The X-Files is an American science fiction television series and a part of The X-Files franchise, created by screenwriter Chris Carter. The program originally aired from to . The show was a hit for the Fox network, and its characters and slogans became popular culture touchstones in the 1990s...

 before being scuttled off Sidney

Sidney, British Columbia

Sidney is a town located at the northern end of the Saanich Peninsula, on Vancouver Island in the Canadian province of British Columbia. It is one of the 13 Greater Victoria municipalities. It has a population of approximately 11,300. Sidney is located just east of Victoria International Airport,...

, British Columbia

British Columbia

British Columbia is the westernmost of Canada's provinces and is known for its natural beauty, as reflected in its Latin motto, Splendor sine occasu . Its name was chosen by Queen Victoria in 1858...

. HMCS Saskatchewan was scuttled off Nanaimo

Nanaimo, British Columbia

Nanaimo is a city on Vancouver Island in British Columbia, Canada. It has been dubbed the "Bathtub Racing Capital of the World" and "Harbour City". Nanaimo is also sometimes referred to as the "Hub City" because of its central location on Vancouver Island and due to the layout of the downtown...

, BC and HMCS Yukon was scuttled off San Diego, California

San Diego, California

San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...

.

Ships

Ship	Original Pennant Number	Builder	Laid Down	Launched	Commissioned	DELEX Refit Completed	Paid Off	Fate
	DDE 261	Canadian Vickers, Montreal Montreal Montreal is a city in Canada. It is the largest city in the province of Quebec, the second-largest city in Canada and the seventh largest in North America...	15 December 1958	25 May 1961	6 October 1962	1985	3 August 1993	Sold March 1995 to Artificial Reef Society of British Columbia Artificial Reef Society of British Columbia The Artificial Reef Society of British Columbia is a registered non-profit organization based in Vancouver, British Columbia. They began operations in 1989, with the G.B. Church project, and have since sunk 7 ships and 1 Boeing 737... . Scuttled off Sidney, BC Sidney, British Columbia Sidney is a town located at the northern end of the Saanich Peninsula, on Vancouver Island in the Canadian province of British Columbia. It is one of the 13 Greater Victoria municipalities. It has a population of approximately 11,300. Sidney is located just east of Victoria International Airport,...  on 16 September 1995.
	DDE 262	Victoria Machinery Depot Ltd. Victoria Machinery Depot Victoria Machinery Depot Ltd. was a ship builder located in Victoria, British Columbia, Canada.This was a historic metalworks and shipyard in Victoria, Canada. From the late 1850s on, with the Fraser Canyon and Cariboo Gold Rushes British Columbia was dependent upon Californian supplies and ships... , Victoria Victoria, British Columbia Victoria is the capital city of British Columbia, Canada and is located on the southern tip of Vancouver Island off Canada's Pacific coast. The city has a population of about 78,000 within the metropolitan area of Greater Victoria, which has a population of 360,063, the 15th most populous Canadian...	29 October 1959	1 February 1961	16 February 1963	1984	28 March 1994	Sold 1997 to Artificial Reef Society of British Columbia Artificial Reef Society of British Columbia The Artificial Reef Society of British Columbia is a registered non-profit organization based in Vancouver, British Columbia. They began operations in 1989, with the G.B. Church project, and have since sunk 7 ships and 1 Boeing 737... . Scuttled off Nanaimo, BC Nanaimo, British Columbia Nanaimo is a city on Vancouver Island in British Columbia, Canada. It has been dubbed the "Bathtub Racing Capital of the World" and "Harbour City". Nanaimo is also sometimes referred to as the "Hub City" because of its central location on Vancouver Island and due to the layout of the downtown...  on 14 June 1997.
	DDE 263	Burrard Dry Dock Ltd. Burrard Dry Dock Burrard Dry Dock Ltd. was a Canadian shipbuilding company headquartered in North Vancouver, British Columbia . Together with the neighboring North Van Ship Repair yard and the Yarrows Ltd... , North Vancouver North Vancouver, British Columbia There are two municipalities in the Greater Vancouver region of British Columbia, Canada, that use the name North Vancouver. These are:*The City of North Vancouver...	25 October 1959	27 July 1961	25 May 1963	1983	31 July 1992	Scuttled off San Diego, California San Diego, California San Diego is the eighth-largest city in the United States and second-largest city in California. The city is located on the coast of the Pacific Ocean in Southern California, immediately adjacent to the Mexican border. The birthplace of California, San Diego is known for its mild year-round...  in 2000.
	DDE 264	Davie Shipbuilding Ltd. Davie Shipbuilding Davie Shipbuilding is a historic shipbuilding company located in Lauzon, Quebec. The facility has undergone restructuring and is currently operating as Davie Yards Incorporated.-History:... , Lauzon Lauzon, Quebec Lauzon is a former city in southern Quebec, Canada, located on the St. Lawrence River northeast of Lévis. Founded in 1910, Lauzon had a population of about 14,500 when it merged with Lévis in 1989...	14 January 1960	2 May 1962	14 September 1963	1982	28 March 1994