Her Majesty’s Canadian Submarine Windsor (SSK 877)

HMCS Victoria


HMCS Windsor returns to its home port of Halifax in 2018, after an historic deployment to the Mediterranean Sea.


“Silent Pride”


  • 2018 – Deployed for 133 days on Op PROJECTION Euro-Atlantic, the first time a Canadian submarine was operational in the Mediterranean in more than four decades.
  • 2018 – While on Op PROJECTION, joined NATO allies for DYNAMIC MANTA in the Mediterranean Sea for anti-submarine warfare and anti-surface warfare training
  • 2016 - Participated in the multi-national joint training engagement DYNAMIC MONGOOSE off the coast of Norway in June, and in NATO’s CUTLASS FURY in the North Atlantic in September
  • 2015 – Deployed for NATO’s JOINT WARRIOR and TRIDENT JUNCTURE training engagements, and for joint training with Canadian Special Operations Forces personnel
  • 2012-2014 – Completed operational cycle; spent 174 days at sea
  • 2007-2012 – In Extended Docking Work Period (EDWP)
  • 2005-2006 – Completed the first operational cycle of the class; successfully tracked a United States Navy (USN) nuclear-powered attack submarine, assisted in the work-ups of a USN carrier battle group, and participated in the first-ever parachute rendezvous at sea with Canadian Army paratroopers


  • 2014 – Docked to receive a number of upgrades, including a state-of-the-art bow sonar system that wasn’t originally scheduled to go in until 2016, and to repair a defective diesel generator
  • 2012-2014 – Operational
  • 2007-2012 – Completed EDWP at Fleet Maintenance Facility Cape Scott in Halifax
  • 2005-2006 - Operational
  • 2004 – Conducted trials and training engagements
  • 2003 - Commissioned into the Royal Canadian Navy (RCN)
  • 2001 - Entered service with the RCN in August; arrived in Halifax the same year
  • 1993 – Commissioned into the Royal Navy (RN) as HMS Unicorn


  • Builder: Cammell Laird, Birkenhead, England   
  • Laid Down: March 13, 1989
  • Launched: April 16, 1992
  • Commissioned RN: June 25, 1993
  • Paid off RN: October 16, 1994
  • Commissioned RCN: October 4, 2003
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