So, DD & SS are separated out from the rest combat and this warfare is accomplished first. Then Air Combat. Then fleet warfare.
yes and its on your naval combat sequence player aid. sub interaction,then survivors allocate air units and they fight concurrently with ongoing naval actions.
It makes more sense now that I it’s been fully explained. One of the challenges here would be protecting E. U. S. from a sudden German attack, but it would probably be easy enough to destroy any German transports.