I’m wondering about a naval base on Hainan to increase the effectiveness of one’s TTs. Done it once or twice and maybe should have kept doing it.
It is perfect for the J3 India Crush ( Assuming No Blocker) and 3 TT buy R1 with a air force landing in Kwangsi following a J1 DOW
I don’t think you can assume no blocker. However, it does force the allies to put down a blocker which you can kill J3. Another one J4 quite likely - or you can move some of the fleet to SZ37 to prevent them putting a blocker there requiring the allies to put down two blockers.