My suggestions are:
CIVIL
- region disaster (famine, or natural disaster)
- grafical expansion (city growth)
- Real debt
- Random economic boom
- Automatic distribution of planes STOVL and VTOL in all airport carriers deployed (button or somelse) and better assignment
- Automatic aerial supplying (helicopter and planes deployed)
- Automatic transport of soldiers with a specific button (helicopter and land trasport deployed)
- Explore the use of APC
- Explore the use of temporary military base, airport and harbor
- Types of military conflict (Low-intensity conflict, Unconventional warfare, )
- Diplomacy with Onu (special mission in all parts of world, military aid, resources aid, economic aid)
- Create a no fly zone, Demilitarized zone
- Possibility to sell units (land, air) and deliver them with merchant marine
- Possibility to buy an exagon in other country
- Authorization for Use of Military Force