The fight of the Atlantic, 1939 to 1945 The war up against the U-boats of 1939 to help you 1945 is the brand new formative feel toward Royal Canadian Navy (RCN) in the twentieth century. Halifax – The Spring season Board from the John Horton, where the flurry out-of dockyard passion within the Next Business War is in fact apparent. Battled largely by the reservists in short ships manufactured in Canada and you may functioning off Canadian basics, the latest protection away from North Atlantic change from the submarine threat laid out a great naval role to possess Canada within a much larger alliance. Once 1945, the latest RCN became an educated anti-submarine warfare (A/S or ASW as it’s now-known) navy global within the Northern Atlantic Pact Providers (NATO). But it wasn’t a s...