Research and Upgrades
Research and upgrades are handled in towns and cities by the mayor. However, like building projects, the Admiral can allocate national resources to increase research speed and direct research along the different areas. Research is a continuous action; there is no end to research, and new improvements will slowly be developed over time even without the support of the national budget.
In Aero Empire, nations know the basic theory behind all units and upgrades in the game and can start building any unit or upgrade they desire. However, the cost, time to build and effectiveness of the produced unit can vary greatly depending on the status of research. While theoretically you can build giant airships using manual labor, the time it would take to complete would be phenomenal and the quality would be poor without the support of new inventions and techniques.
There are four general areas of research in Aero Empire: