The wreck of a ship that helped capture a German spy boat has been found after a decades-long search.
The US Revenue Cutter Bear has been discovered in Canadian waters at a location currently being withheld.
The vessel was built in 1874 and used initially on commercial missions, before delivering relief during the Spanish flu pandemic of 1918 to 1919.
A forerunner of modern icebreakers, she was bought by the US government to rescue Arctic explorers.
The ship was also used as a museum and film set before being deployed by the US Navy in both world wars.
During World War II she aided in the seizure of a Norwegian trawler that was feeding back North Atlantic weather conditions to the Nazi's in Berlin.
She was decommissioned in 1944, but a storm dragged the Bear under as she was being towed to her final destination, Philadelphia.
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Oceanographers and ocean archaeologists have been searching for her whereabouts ever since.
The ship was discovered after two suspicious objects were detected on a stretch of seafloor in Canadian waters.
Cameras were sent down, which have now confirmed the out-of-place objects are pieces of the ship located just under 200km from Nova Scotia's Cape Sable, The Sun reports.
The exact location of the discovery has not yet been shared.
The Bear - which was powered with steam before moving to diesel - has been badly damaged by nets from fishing trawlers.
Brad Barr, the mission coordinator for the U.S. National Oceanic and Atmospheric Administration's (NOAA) Maritime Heritage Program, led the search for several years, according to Live Science.
He said: "The Bear has had such an incredible history, and it's so important in many ways in American and global maritime heritage because of its travels."
