Just need to finish and roll out what is in development for now. The maps will come which will provide the period theaters and development of Modules that fit. Nothing is happening at a quick pace.
The way we are headed now is fine. If we had all that is supposed to be delivered this last 6 months of 2016, a lot of pilots would be quite happy for awhile I believe. And the missions will come.
If we have the merge, SoH, F18, Carriers DLC, Normandy, Spitfire, P40 or P47 this year, I would be content for quite awhile.
Once we have the merge shouldn't that open the door for more period maps by 3rd party devs? I'm sure most of what you listed is already planned by some of them.