+1 to thanks but no thanks...
Just keep the business model as is, and that is expansion packs... but have the expansion packs develop in the same order the main battles of WWII developed - both Europe and The Pacific.
Leave RoF for the "I want 1,000 planes" addicts
Crikey, can it be imagined what it would be like with some plane addict setting a mission with planes no-one else has or wants?