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Oberon-class Submarines
The Oberon class was a highly successful British conventional submarine design, operated by the Royal Navy (RN) and exported widely to Commonwealth and allied navies. The Royal Canadian Navy (RCN) acquired three of the type in the mid-1960s to act as antisubmarine warfare (ASW) training “targets” for surface and air forces. A major operational update in the 1980s transformed them into true hunter-killer attack submarines and laid the groundwork for a proper submarine force with their replacement by the Victoria class at the turn of the 21st century.