The CCGS Hudson is an offshore oceanographic and hydrographic survey vessel operated by the Canadian Coast Guard

Canadian Coast Guard

The Canadian Coast Guard is the coast guard of Canada. It is a federal agency responsible for providing maritime search and rescue , aids to navigation, marine pollution response, marine radio, and icebreaking...

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The Hudson is Canada's oldest operational ocean research vessel. She was constructed in the early 1960s for the Canadian Oceanographic Service, coinciding with the opening of the Bedford Institute of Oceanography

Bedford Institute of Oceanography

The Bedford Institute of Oceanography is a major Canadian government ocean research facility located in Dartmouth in the Halifax Regional Municipality in Nova Scotia. The Bedford Institute of Oceanography is the largest ocean research station in Canada...

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Formerly the CSS Hudson, it was the largest vessel built at that time specifically designed for research purposes.