Exploration

HMCS Canada: The forgotten ship that built a navy with Joseph Frey

Episode 131

Naval historian Joseph Frey reveals how a modern expedition helped rewrite the story of one of Canada’s most significant warships

  • Jul 14, 2026
Expedition diver Jason Cook unfurls the Royal Canadian Navy ensign in front of the bow of the HMCS Canada. (Photo: Ewan Anderson)
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What does a ship that sank a century ago off the Florida Keys have to do with the birth of the Royal Canadian Navy?

Quite a lot, as it turns out.

Joseph Frey with the RCGS flag above the wreck of HMCS Canada. "Our goal is making this ship better known. It wasn't HMCS Niobe which was Canada's first warship. It was actually HMCS Canada." (Photo courtesy Joseph Frey)
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Before there was a Royal Canadian Navy, there was the HMCS Canada, a steel-hulled vessel that trained Canada’s first naval officers, escorted First World War convoys, survived the Halifax Explosion, and helped lay the foundations of a young nation’s naval service. Yet despite its remarkable legacy, most Canadians have never heard of it.

In this episode of Explore, host David McGuffin sits down with naval historian, underwater archaeologist and former Royal Canadian Navy officer Joseph Frey to tell the extraordinary story of Canada’s forgotten first warship: the HMSC Canada.

From its launch in 1904 to its wartime service and eventual sinking off the Florida Keys in 1926, Frey traces the unlikely journey of a vessel that helped shape Canadian history.

HMCS Canada during the First World War, serving as convoy escort and submarine hunter in the St. Lawrence and along the Atlantic coast. (Photo: Canadian Department of National Defence)
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The conversation also follows a modern RCGS Flagged expedition, led by Frey, to the wreck nearly a century after the ship’s loss. Using advanced diving techniques and 3D photogrammetry, Frey and his team documented the wreck, answered long-standing questions about how it sank, and helped restore HMCS Canada‘s place in Canada’s historical memory.

Along the way, Frey reflects on his role in the discovery of HMS Erebus, the enduring appeal of underwater exploration, and why forgotten stories like HMCS Canada still matter today.

The first group of Canadian naval cadets who trained on the HMSC Canada, before the founding of the Royal Canadian Navy in 1910. (Photo: National Archives)
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Whether you’re listening in a car, a canoe, a sailboat, a dock, or somewhere along Canada’s coastline, this is a story of exploration, naval history, and the remarkable rediscovery of a ship that helped build a nation.

Joseph Frey is Vice-President of the Royal Canadian Geographical Society, a Fellow of The Explorers Club, a naval historian, an underwater archaeologist, and a retired Royal Canadian Navy officer. He was a member of the 2014 Victoria Strait Expedition that discovered HMS Erebus, one of Sir John Franklin’s lost ships, and has spent decades researching and documenting Canada’s maritime history both above and below the waterline.

The HMCS Canada Expedition crew (front row, from left) Kelvin Davidson with the RCGS expedition flag, Ewan Anderson with the Explorers Club expedition flag, (back row, from left) Rob DeProy, Guy Shockey, Joseph Frey, Roger Lacasse, Brenda Altmeier, Matthew Lawrence, and Jason Cook. (Photo Courtesy Joseph Frey)
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Expedition team member Roger Lacasse uses a photogrammetry sled to capture images of the bow of HMCS Canada at depths of below 60m (200ft). (Photo: Ewan Anderson)
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