The Soviets never had 10k strategic weapons. And even big strategic nukes (5MT) would not have a lethal radius of 30 miles. Even if you were outside, naked and facing it.
A well built bomb shelter would be very effective at reducing the lethal range of nuclear weapons.
Most of the stockpiles during the peak of the cold war were tactical nuclear weapons with low yields designed for the battle field.
A well built bomb shelter would be very effective at reducing the lethal range of nuclear weapons.
Most of the stockpiles during the peak of the cold war were tactical nuclear weapons with low yields designed for the battle field.