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Aukus will cost Australia $368bn. What if there was a better, cheaper defence strategy?
(www.theguardian.com)
this post was submitted on 15 Jun 2025
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The South China Sea is shallow, a poor operating environment for nuclear subs.
Containment of China to the South China Sea is a US strategy and one which Australia is subsiding, while materially hurting its ability to defend Australia’s coastline.
A nuke sub operating there for a couple of months is still better than a DE that leaves after a week (presuming it can reach that far at all).
If we're so concerned about the South China Sea, we can give Taiwan or Japan diesel subs. It's not like the nuclear subs would be of much use to us anyway if they're on the other side of Indonesia.
Although I can't imagine an Internal Combusion Engine sub being at all stealthy, so I'd hope there's some kind of third option.
Diesel-electric subs are actually far quieter than Nuclear subs, and have out performed them regularly in war games.
It isn’t a black and white case of one technology being better than the other but nuclear costs a lot more.