On the other hand, if you drop fleet into sea zone six (two carriers, with four fighters from southern carriers on top of them, and maybe a battleship too) , if he does bring in the bombers you can kill a lot of them with your six fighter scramble. It’ll cost a lot, but cheaper than losing the game by conceding the skies to him. You’ll still need to build a lot of replacement planes.
If you go this route, you’ll need to keep that blocker in sea zone 16 to keep his ships from coming in. You’ll want to kill as many planes as you can at once. If you go this way, you definitely have to consolidate your fleet in two turns if he doesn’t hit sea zone 6 on his next turn.
If he goes for Iwo, then your combined fleet can kill his fleet or target his bombers.
No matter what you do, you have to kill most of those bombers. It’s gonna be expensive.
If he’s going for Japan proper with it all, then consolidating your fleet is still necessary because you can’t let him land anything with that bomber stack backing it up. That being said, I would still pump some more ground forces into Japan too.
Have fun.
Marsh