There's a few points one has to remember here. Those British Upholder class subs were probably the best diesel powered subs ever built. You can talk about new subs but I doubt if you could find anybody who's building anything but nukes, and everybody knows Canada's stand on them. Canada needs subs to meet their NATO commitment so there aren't many alternatives. The Brits demobilized these subs to go nuclear but we don't have that choice. One of the biggest problems is probably finding people who know how to run and service them.
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