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Chris Pook said:After the war the RCN clung to that role even as the need for convoys seems to have petered out....
You have that backwards. The RCN specifically went out and specialized in ASW because at the time submarines were the only force that had ever had or could ever pose a direct threat to Canada itself. The inability of the RCN during the war to find and destroy subs in the Gulf of St. Laurence during WW2 was a massive embarrassment and showed the need for effective ASW in littoral systems. Hence the ASW helo, dipping/variable depth sonar development etc, etc.... It was actually an example of good naval policy based upon a perceived and real threat, as well as Canada's expected role should war break out with the Soviet Union.
Where the change came was towards the end of the Cold War when it was obvious that subs were not the only threat to Canada and NATO and that more general purpose ships were needed. Especially after the loss of the Bonnie and the cruisers. Hence the Halifax and TRUMP programs. It turned out that these were the right ships for the right time as they came on-line just when the Soviet Union was disintegrating, and thus the threats became varied and different with failed and failing states holding old Soviet weapons.
GR66 said:What ARE Canada's national objectives in terms of naval forces?
What foreign nation (other than the US) has the naval capability to put a credible surface task force into Canadian territorial waters to pose a threat to our national interest?
Now let's remove the arctic where others more knowledgeable than myself have pointed out that a surface force trying to push at ant-like speed through the ice or stuck in the narrow confines of the arctic archipelago could best be handled by aircraft rather than other surface ships.
Let's also rule out our close allies since it would be a fool's game to try and build a navy capable of taking on the USN, and is building a navy around the concept of facing your LEAST likely opponents a sound strategy that is likely to produce the best mix of forces you may actually require?
Who does that leave? China and Russia? Do either of them have the capability to put surface forces into Canadian territorial waters? Can anyone provide me a credible scenario where such a Chinese or Russian naval force would NOT trigger a joint Canadian/US response? Can anyone provide me with a credible scenario where we wouldn't welcome US involvement in repelling such an attack? Does anyone believe that either the Russian or Chinese navies could defeat the USN/RCN with an expeditionary naval force in North American territorial waters within range of ground-based air support?
I would suggest that the greatest direct military (and political) threats to Canadian maritime territory would be submarines, non-conventional attacks and tests of our sovereignty/ability to respond to incursions. All of these threats I believe would be best countered by a larger fleet of vessels with the good ASW capabilities that can cover a greater territory. The need to conduct major anti-surface threats is much less likely and air threats in our own backyard are likely best countered by our own air assets.
Those are our self-defence national interests (in my opinion anyway), so what are our expeditionary national interests? Have we ever as a nation taken unilateral expeditionary military action against another country? Are we likely to? Are we likely to want to? I think we're much more likely to send our expeditionary naval forces as part of a coalition with our allies. So the question then is what would be a useful contribution that we could make to a multi-national force?
Last I checked we were partners in the enforcement of the freedom of the seas. You can't do that with only ASW forces. You also can't operate with allies in a credible level or with input if you bring ancillary forces that can only plug into a ASW role. That's like showing up to build a house and your tool box only has a hammer. The Aussies learned from us during OP Artemis that no one gives a crap if you show up without a Command and Control ship or you can't even deploy your own command team in your own ships. Canada took a lead role during OP ARTEMIS because we were not specialized and did some very good work there.
During the Libya crisis general purpose was the name of the game. An ASW ship would have been relatively useless. Charlottetown did good work and was the first ship since Korea to have been shot at by an enemy.
As for unilateral action, yep, illegally arresting Spanish fishermen on the high seas. When our interests are at stake we will act alone if necessary. Fortunately most of our foreign policy interest align with our biggest allies. The China/Russia argument is silly. We don't know what the future will bring so instead of just getting flood insurance on the house, how about getting the full coverage package.