The article claims that a nine-megaton blast would wipe out "most of the state of Arkansas". Wikipedia claims the lethal radius on a bomb of that size is about 20 miles for thermal effects ( http://en.wikipedia.org/wiki/B53_nuclear_bomb#Effects ), which is around 2% of the area of Arkansas; other effects are described as having an even smaller radius. I suspect, but cannot prove, the wikipedia number is more likely t…
Fall-out effects from such a large & dirty H-bomb detonated at ground level would have been pretty bad - you wouldn't want to be downwind of such an event. [Edit 1] Actually, if you consider the indirect effects of the use of such a weapon - particularly the large number of refugees fleeing contaminated areas, huge numbers of injured etc. while such a detonation wouldn't destroy an entire state it would probably redu…
As Schlosser says in his book - because of the lack of coordination between the Air Force, Army, US Navy and Missile Forces, at one point there was something like 400(sorry if I remembered the number wrong,but it was in hundreds) nuclear rockets aimed at Moscow, many of them with multi-megaton payload. If they were launched, Moscow wouldn't be just destroyed - the entire area would be turned into the biggest crater on earth.