Editing Upholder/Victoria-class submarine (section)

===Service entry===
''Windsor'' became the first active member of the class in Canadian service in June 2005. In the following year and a half, the submarine took part in several international naval exercises and training periods with other Canadian units.<ref name=winrcn/> ''Victoria'' performed several sea trials and training exercises before beginning a major refit, called the Extended Docking Work Period (EDWP), on 27 June 2005.<ref name=vicrcn/> ''Corner Brook'' entered her CWP from 2004 to 2005 and began sea trials on 24 October 2006.<ref name=corrcn/>
[[File:HMCS Corner Brook.jpg|thumb|left|HMCS ''Corner Brook'' passing [[Fort Amherst, St. John's|Fort Amherst]] and entering St. John's Harbour, {{circa|2006}}]] 
On 15 January 2007, ''Windsor'' began the EDWP refit at Halifax.<ref name=winrcn/> In 2007 ''Corner Brook'' participated in the [[NATO]] naval exercise "Joint Warrior", marking the first time in fifteen years that a Canadian submarine had sailed in European waters. In August 2007, ''Corner Brook'' participated in [[Operation Nanook (2007)|Operation Nanook]], Canada's naval exercise in the Arctic.<ref name=corrcn/>

In March 2008, ''Corner Brook'' deployed as part of [[Operation Caribbe]] in the Caribbean Sea.<ref name=corrcn/> In August 2009 ''Corner Brook'' again deployed to the Arctic as part of [[Operation Nanook (2009)|Operation Nanook]].<ref name=corrcn/>

On 30 January 2011 ''Corner Brook'' left Halifax to transfer to the west coast. On the way, the submarine participated in Operation Caribbe. She arrived at Esquimalt on 5 May 2011.<ref name=corrcn/> On 4 June 2011, ''Corner Brook'' while diving off the coast of [[British Columbia]] slammed into the seafloor at {{convert|11|km/h|kn|order=flip}} at a depth of {{convert|45|m}}. Two sailors were injured in the collision and the submarine suffered significant damage, with a {{convert|2|m|adj=on}} hole in the bow. Two torpedo tube doors were torn off in the collision.<ref>{{cite news |last=Gordon |first=Rob |url=http://www.cbc.ca/news/canada/nova-scotia/navy-submarine-damage-severe-internal-report-says-1.1353463 |title=Navy submarine damage severe, internal report says |newspaper=CBC News |date=16 July 2013 |access-date=23 May 2016}}</ref> The submarine surfaced and made port without requiring aid.<ref name=corrcn/> The commander of the submarine was later stripped of his command following a board of inquiry.<ref>{{cite news |url=http://www.vicnews.com/news/135762268.html |title=Sub commander stripped of command after underwater crash |newspaper=Victoria News |date=16 December 2011 |access-date=23 May 2016}}</ref> Repairs and a major refit kept the sub out of operational service until 2018.<ref>{{cite news |url=https://www.theglobeandmail.com/news/politics/canadian-pre-owned-submarine-fleet-finally-ready-for-operations/article23236697/ |title=Canadian pre-owned submarine fleet finally ready for operations |last=Chase |first=Steven |newspaper=The Globe and Mail |date=27 February 2015 |access-date=25 May 2016}}</ref> ''Victoria'' emerged from the EDWP at the end of 2011.<ref name=vicrcn/>
[[File:120717-O-ZZ999-004-CA4 (7609995958).jpg|thumb|{{USNS|Concord}} sinks in the Pacific Ocean after being used as a target vessel by HMCS ''Victoria'' during [[Exercise RIMPAC|RIMPAC naval exercise]], July 2012]]
''Victoria'' was declared fully operational in March 2012 and participated in the [[Exercise RIMPAC|RIMPAC naval exercise]] that year, sinking ex-{{USNS|Concord|T-AFS-5|6}} with one of her torpedoes.<ref name=vicrcn/> ''Windsor'' finished her refit on 30 November 2012.<ref name=winrcn/> ''Victoria'' participated in Operation Caribbe in 2013.<ref name=vicrcn/> ''Windsor'' reentered the dockyard in March 2014 requiring the replacement of a defective diesel generator.<ref name=winrcn/>

''Windsor'' performed a 105-day training cruise in 2015, making it the longest deployment by a ''Victoria''-class submarine. The submarine participated in training exercises with NATO and several navies in the North Atlantic.<ref>{{cite news |url=http://atlantic.ctvnews.ca/hmcs-windsor-returns-to-halifax-following-longest-mission-for-victoria-class-sub-1.2704560 |title=HMCS Windsor returns to Halifax following longest mission for Victoria-class sub |newspaper=CTV News Atlantic |date=17 December 2015 |last=Auld |first=Allison |agency=The Canadian Press |access-date=23 May 2016}}</ref> During the cruise, ''Windsor'' was deployed to track five submarines from another nation that had entered the North Atlantic.<ref>{{cite news |url=http://www.cbc.ca/news/canada/nova-scotia/hmcs-windsor-submarine-canada-navy-greenwood-subs-halifax-1.3601633 |title=Incident in North Atlantic last fall shows why Canada needs submarines, navy says |work=CBC News |last=Ruskin |first=Brett |date=26 May 2016 |access-date=28 May 2016}}</ref> Canada announced plans for a major life extension for the class on 7 April 2015, possibly to start in 2020. The estimated cost for the program would be between $1.5 and $2 billion CAN.<ref>{{cite web |url=http://www.defensenews.com/story/defense/naval/submarines/2015/05/02/canada-submarine-naval-victoria/26603667/ |title=Canada Plans Major Sub-Life Extension |last=Pugliese |first=David |website=defensenews.com |date=2 May 2015 |access-date=23 May 2016}}</ref>
[[File:HMCS Chicoutimi Yokosuka Oct 2017 (cropped).jpg|thumb|HMCS ''Chicoutimi'' being assisted by a tugboat after her arrival at [[United States Fleet Activities Yokosuka]], October 2017]]
On 3 September 2015, ''Chicoutimi'' was commissioned into the Royal Canadian Navy at Esquimalt.<ref>{{cite news |url=http://www.lookoutnewspaper.com/stealthy-sleek-chicoutimi-officially-joins-fleet/ |title=Stealthy, sleek Chicoutimi officially joins the fleet |newspaper=CFB Esquimalt Lookout |last=Mallett |first=Peter |date=14 September 2015 |access-date=25 May 2016}}</ref> However, the sub was restricted to shallow-water diving.<ref>{{cite news |url=http://www.cbc.ca/news/canada/nova-scotia/rebuilt-hmcs-chicoutimi-submarine-to-return-to-navy-1.2486251 |title=Rebuilt HMCS Chicoutimi submarine to return to navy |work=CBC News |agency=The Canadian Press |date=6 January 2014 |access-date=25 May 2016}}</ref> In October 2015, ''Chicoutimi'' was among the Canadian vessels sent to participate in a joint exercise with the [[United States Navy]].<ref>{{cite web |url=https://ottawacitizen.com/news/national/defence-watch/hmcs-chicoutimi-hmcs-vancouver-and-hmcs-calgary-taking-part-in-u-s-exercise |last=Pugliese |first=David |title=HMCS Chicoutimi, HMCS Vancouver and HMCS Calgary taking part in U.S. exercise |newspaper=Ottawa Citizen |date=24 October 2015 |access-date=25 May 2016}}</ref> ''Chicoutimi'' and ''Victoria'' were taken out of active service in 2016 after hundreds of welds were found to not meet quality standards, affecting the ability of the subs to dive. They were docked at Esquimalt for several months.<ref>{{cite news |url=http://www.cbc.ca/news/politics/submarine-welding-repairs-hmcs-chicoutimi-victoria-1.3584592 |title=Wonky welds keep West Coast submarines stuck in port |work=CBC News |last=Beeby |first=Dean |date=17 May 2016 |access-date=25 May 2016}}</ref> ''Chicoutimi'' was repaired first, followed by ''Victoria''. ''Victoria'' was used for training purposes until repairs were effected.<ref>{{cite news |url=http://www.cbc.ca/news/canada/nova-scotia/hmcs-chicoutimi-submarine-halifax-navy-1.3607994 |title=Submarine HMCS Chicoutimi will be operational next year, navy commander says |newspaper=CBC News |agency=The Canadian Press |date=30 May 2016 |access-date=1 June 2016}}</ref> In September 2017, Canada deployed ''Chicoutimi'' on patrol in Asian waters, the first such deployment by a ''Victoria''-class submarine.<ref>{{cite news |url=http://www.cbc.ca/news/canada/british-columbia/canada-deploys-victoria-class-hmcs-chicoutimi-submarine-to-asia-1.4343380 |title=Canada deploys Victoria-class HMCS Chicoutimi submarine to Asia |work=CBC News |last=Ruskin |first=Brett |date=6 October 2017 |access-date=7 October 2017}}</ref> During the deployment, ''Chicoutimi'' marked the first visit to Japan by a Canadian submarine since 1968. The vessel returned to Canada on 21 March 2018 spending 197 days at sea, the longest deployment by a ''Victoria''-class submarine in Canadian service.<ref>{{cite news |url=http://www.timescolonist.com/news/local/esquimalt-based-submarine-back-in-port-after-epic-journey-1.23209423 |title=Esquimalt-based submarine back in port after epic journey |last=Watts |first=Richard |work=Times Colonist |date=21 March 2018 |access-date=24 March 2018}}</ref>