Why did Australia refuse to send a single ship to the Red Sea?

• Defend Australia and our immediate region;
• Deter through denial any adversary's attempt to project power against Australia through our northern approaches;
• Protect Australia's economic connection to our region and the world;
• Contribute with our partners to the collective security of the Indo-Pacific; and
• Contribute with our partners to the maintenance of the global rules-based order.

It seems we have just failed at points three, four, and five, and it's not obvious how the submarines actually help on those points either.

The Strategic Review is to be funded by reallocations of existing funds. Looking at the numbers and existing capacities it looks like significant additional funding is required.