Fortress America by Milton Bradley Gamemaster Series, 1986. 2-4 Players 12-Adult. Game objective is to wage 21st century modern warfare or defend US cities and resources.
Each Player has 60 military units:
24 infantry
12 hovertanks
9 mobile units
9 Helicopters
6 Bombers
The U.S.A. Player has in addition the following:
12 Lasers
30 city markers
4 partisans
Total pieces in the set come to 306 as there are some extra in case any are lost