1959K. VonnegutSirens of Titan 133
Advance units of the Martian Imperial Commandos had already obliterated Earthling installations on the Earthling moon. The Commando rocket batteries, firing from the moon, were now giving every major city a taste of hell.
1983K. VonnegutReport on the Barnhouse Effect in Welcome to Monkey House 173
Gentlemen…. As the first superweapon with a conscience, I am removing myself from your national defense stockpile. Setting a new precedent in the behavior of ordnance, I have humane reasons for going off.