I'm not sure that the USN would have been any more effective 30 years ago if it tried to make a narrow waterway that is off-shore from a medium-strength world power accessible for safe commercial ship traffic. Effective anti-ship missiles have been around for a long time. Given how understandably sensitive commercial ship crews and owners are to even slight danger, there's just no way to reduce the risk to the necessary near-zero without a prolonged air campaign and/or land invasion to support the naval effort.
replyA medium-strength world power that it Iran only figured out how to make anti-ship missiles only 25 years ago. They sure got their hands on Chinese ones a bit before that, but that quantity just didn't amount to strait-blocking capability.
replyIt can be safely said that current carrier groups were not built for that, they were built for power projection on land.
replyThe problem is that nowadays essentially nothing can really secure vital shipping lines ...
replyErgo navies don't exists.
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