Scenarios business

ASSUMPTIONS OF THESE SCENARIOS
There is a whole body of knowledge and assumptions that is taken into account when putting together scenarios like the below. My bottom line assumption is that any nuclear exchange has an excellent chance of resulting in a series of escalations that will spiral out of control, setting off a round of exchanges among various enemies under a "use it or lose it" philosophy, as well as among the treaty allies of the relevant nuclear powers and their allies. This continues until most of the planets' 20,000 odd nuclear weapons are exhausted. In making "limited nuclear war" calculations all nations should assume "whatever can go wrong, will go wrong." Unfortunately, too many strategizers assume they can conduct limited strikes and keep them limited.
Related assumptions include:
** Any nuclear attack on a primary Russian target like Moscow, St. Petersburg, or nuclear command headquarters, by any nation or group, known or unknown, could lead to a commander turning on "The Dead Hand" strategy and/or prompt one or more of Russia’s semi-autonomous military field commanders to retaliate against U.S. and European nuclear targets. Attacks on secondary targets or nuclear detonations very close to Russian soil also might lead to some sort of nuclear escalation.
** Any nuclear attack on US and/or European sites by any nation or group, known or unknown, probably will result in massive US and/or European retaliation against the known or assumed perpetrators or their known or assumed allies.
** It is likely that the U.S., Russia, China, Israel, India and Pakistan will use some of their weapons to attack other nuclear and non-nuclear nations which might threaten them after they have been devastated by nuclear war.
** Any nuclear attack on Israel by terrorists, or Pakistan, Russia or China will result in Israel’s surviving land, air and submarine carried or based missiles being used against Arab and Muslim capitals. A particularly devastating attack (including with chemical or biological weapons) might result in possibly in a full scale "Samson Option" attack on European and Russian targets. The latter of course would result in Russian retaliation against the United States, perhaps its punishment for not having done enough to protect Israel.
** Any nation's use of nuclear weapons against a non-nuclear nation will be only somewhat less inflammatory than using them against a nuclear nation, especially if that nation has many treaty allies. It will ratchet all nuclear nations alert systems and lead to unforeseeable consequences that could easily spiral to world nuclear war.