Australia's defence is the same. Our only real threat is Indonesia, and if they decided to invade, we can't stop them by ourselves. So it's the defence plan to

Australia's defence is the same. Our only real threat is Indonesia, and if they decided to invade, we can't stop them by ourselves. So it's the defence plan to do more damage than would be gained. Of course, Indonesia isn't likely to invade - it has enough trouble keeping itself together; all the decent economic bits of Australia are on the far fringes of the continent; and the US Navy would finally get the chance to engage in a maritime war, so they'd be in like Flynn to help out.