The US-NATO movement to the Pacific meshes nicely with US-Australia submarine deal. The Aussies get quieter nuclear subs not armed with nukes…but they could be. And “In addition to the submarine fleet, a senior Biden administration official said AUKUS would combine forces on “cyber, AI – particularly applied AI – quantum technologies and some undersea capabilities as well”.
Morrison later announced Australia would also acquire long-range US Tomahawk cruise missiles.
https://asiatimes.com/2021/09/us-australia-submarine-deal-sp…
At the same time the US, UK, & Australia inked the AUKUS security pact.
Also Japan & India are building up their navies & hold sea drills together.
https://www.e-ir.info/2011/09/23/a-comparison-between-the-in…
https://www.republicworld.com/india-news/general-news/navies…
https://nationalinterest.org/blog/reboot/japans-navy-lot-mor…
https://www.popularmechanics.com/military/navy-ships/a411238…
https://www.dw.com/en/naval-buildup-reflects-indias-ambition…
Likely Xi sees the noose tightening.