- Moose/Kuriles - I don't think this has great strategic value in the long run. It is closer to his home islands than your nearest ports. The best you can do is build up Adak to a level 8 port. It also isn't going to make him overcommit to anything as he has interior lines and this is very close to his home base.
- Bulldog/Samoa - This is exactly what he is expecting and waiting for you to do. Taking is going to cause to expend a lot of effort for something you already owned. Its only strategic value is as a shorter journey for your convoys to the SW pacific. But it is clear this isn't going to be the decisive theatre any longer as you've already lost the Solomons and surrounding areas.
I think your best bet at this point is to attack directly into the central pacific. I think the Marshalls are your best bet. You have a number of atols you can take, there is no way he has strong garrisons everywhere there. You can bring a lot more troops to bear than he can I think. Taking the Marshalls gives you local interior lines. From there you can threaten the carolines, marianas, gilberts, solomons and back down to the south pacific to fiji and the samoas. Taking those forces a response there or a pullback and strengthening of the marianas at least and probably also the carolines. He can't afford to waste time and effort in the South Pacific after that. Then you can, at your leisure, take back Pago Pago, Suva and Noumea.
I would really concentrate your US forces for it, all your carriers, all your best divisions, your best surfaces TFs, etc.



