I noticed we have ground troops, tanks, planes and missiles to use in wars. I thought it would be cool if we could invest large sums into ships like submarines, destroyers and aircraft carriers (Could give a bonus to planes).
They could either support your other troops or act as weapon platforms to launch extra missiles.
If anyone has other ideas, suggestions or opinions please post them.
Edit: Sorry if this has already been suggested, I don't keep perfect track of the forums.
Admin has said that no navy will be added.