And this time there was nowhere to flee if anyone let off the doomsday weapons.

An gigantic silo housing one of the doomsday weapons that turned the Earth what it is now.

Only the United States can lead the fight against the proliferation of doomsday weapons.

"If a doomsday weapon is going to exist, why shouldn't we be the ones in control of it?"

The Last Man seems to be the novel which introduced the idea of a doomsday weapon.

In one form or another, he was still committed to the struggle, like a one-man doomsday weapon.

We must have been created to be doomsday weapons, you see, weapons of final resort.

As both superpowers expand into space, they prepare different doomsday weapons.

You've got the best minds in the Coalition together on this and you can't figure out how to turn your little doomsday weapon off.

Or, perhaps, a cache of doomsday weapons from some distant arms race.