http://news.usni.org/2016/02/25/new-australian-long-range-defense-plan-has-maritime-emphasis?utm_source=USNI%20News&utm_campaign=8d3d92e997-USNI_NEWS_DAILY&utm_medium=email&utm_term=0_0dd4a1450b-8d3d92e997-230386253&mc_cid=8d3d92e997&mc_eid=8dfea77177
They predict that within the next twenty years, half of the world's submarines will be operating in the western pacific.
Considering they have six subs, but only five qualified captains, they need to make some changes.