Some one else might have talked about this but i just found out that if there is a city with stealth units in it and you click on the country it is in and the city will have the number of units in it. i was playing a game and someones capitol looked like it had no units in it because of stealthunits, right? i clicked on the country and i see they have 40 units in their capital. (i didn't see what units but i saw the number.)