I support a greater inclusion of Pacific Islanders into to ADF as a whole. I would prefer a more integrated approach rather unique formations.
There would be great financial and educational benefits for some of the smaller nations.
I think we should re-look at how we do this. One of the biggest complains from the smaller nations is not enough education and opportunity for their personnel. Navy and Army. It was in fact more critical than the platform and platform cost. We created Frank Bainimarama (well had a significant input into his career), and in these nations those with Australian experiences are gold. We would also be wise to find something productive to do with Fiji's oversized military. Regular incorporation into Indo-Pacific ops seem likely but we may see Fiji contributing a more regular force to many Australian centric missions/exercises. There isn't any reason why they and others can't be integrated like the NZ'er are. If we are talking about greater capability that is one way. Smaller/other nations will also want a regular detachment. If we don't do something soon, the only Prime Ministers will be those from military backgrounds and that is a gateway for civil war.
A pacific base in PNG really opens the door to more options regarding crew, secondment, return of service deals, etc. Manus seems to be angling itself as sort of a Pacific Singapore, with low tax, relaxed entry requirements etc. Somewhere where say Sailors from Samoa, Fiji, Timor etc could be based with their families for an extended time. Australia, US and Japan stepping up to the plate, investing massively in first world levels of infrastructure and services.
Which is why the LHD's are so critical, they are a physical manifestation of our partnership and leadership with other nations. On our tour, we can literally pick up hundreds of other nations personnel and exercise and operate together.
Also all the Army's new equipment will be bigger/heavier and more capable than what the original Amphibious ships were designed around. We literally will not be able to fit the Army amphibious elements by 2030. Let alone any new capability. They have been tremendously useful on IP17/18/19.
But any new LHD/Aviation ship/etc would suck up a lot of personnel, you would have give something (big) up. Smaller ships (patrol crew sized) are more possible to pull out of existing, but even then, you are probably hollowing out the robustness of the capability.
Australia currently has
a lot of projects going on. Realistically, if it hasn't already been in the 2016 whitepaper, its not doable until 2030. Even then we will have to prioritize which projects we go with post 2030 purely because we can't do all of them, even if we had the money to. Australia is still a small nation, we don't have the depth of the UK or France or other nations. One project can literally suck up all the experts, not just in Australia, but in the region. We have a limited amount of capability to run so many projects both in uniforms and non-uniforms. Off the shelf purchases of existing equipment are much easier and less demanding because all the back office boring stuff that makes that capability works has been done.