A nuclear-powered, H-bomb wielding cruise missile...

A nuclear-powered, H-bomb wielding cruise missile.  Apparently we were seriously considering building it:

This crazy bastard had so many ways to kill you, it was like a death buffet: should I die in the nuclear blasts of the bombs themselves, or just let the shockwave of the overpassing missile kill me? Maybe I'll just wait for the radiation sickness as this thing circles endlessly overhead, like a colossal demonic robot vulture. It's so hard to choose!