it's not really such a deterministic thing. countries tend to be pretty secretive about the specifics of their nuclear attack/defense capabilities. it's hard to

it's not really such a deterministic thing. countries tend to be pretty secretive about the specifics of their nuclear attack/defense capabilities. it's hard to give better than a rough estimate of how many missiles could actually get through the defenses. if one superpower can deliver significantly more warheads on target than the other, MAD becomes less effective. it increases the temptation to use nuclear weapons in a desperate situation.