NATO Standard WW3 scenario during Cold War:
Pact invade West Germany/Denmark/Turkey*
NATO fall back
Pact supplies run low/hit by NATO Airpower*
Colonial Cousins Corp arrives and with a British Armd Division that somehow survived the onslaught counter attack
Counter attack success causes Polish/East German/Czech* Army to revolt
Tactical Nuke rapidly escalates to All Out Strategic Exchange
Game Over
*Delete as appropriate