The Malvinas War was a pyrrhic win. The political objectives were met, at the cost of losing several multimillion dollar modern warships with many more very nearly destroyed. The land battles were fought without the full benefit of combined arms, which then required WW2 style tactics that caused WW2 like causalities, and several of the land battles were fought solely to meet timing objectives about British progress in the UN/public sphere.
The British ships were shown to be virtually helpless in the face of even unguided bombs dropped from 2d-3d generation export fighters that cost 1/100th as much as a warship. There was no more practical air defense from ships than in WW2. If the Argentines had access to better fuses and a few more sea skimming missiles, the outcome would have been the loss of a dozen or more warships and a forced UK withdrawal.
The Falklands may have been the last war fought by UK forces but primarily to foster an Imperial English agenda without regard to the costs of that to the Union or anyone else. That English agenda has, 30 years later, made the UK a dying concept where Scotland is more attached to the EU than England, which is about to leave England as a rump country…
Canada would have been unlikely to have any assets other than air refueling that would have been any less vulnerable than UK assets. Canada has its own agendas, having contributed more overseas ‘peacekeeping’ troops and aid supplies to Afghanistan and other conflict areas in the 00s than any other relatively small nation. Canada has always been inviting to refugees and the oppressed. However, like Germany and France, it had little motive to be drawn into a US/England alliance of chaos so it has continued to quietly advance that agenda in wise correspondence to its actual strength and motives to do so.
I admire your patriotism but from the point of view of an objective observer, there is no Crown left to defend. England has long ago charged off on its own course to enhance its own prestige and resolve at the expense of its junior partners (the former empire) and to the benefit of its senior one (the US). That’s what the “Special Relationship” is all about.
And Canada may stand alone in its sentimentality about that, few of the other former British Empire/UK have any faith that England will ever do or act any different(ly). England has always seen itself as a leader but having pompously acted that way since WW2, there is precious little left to lead.