A doomsday machine [is a] hypothetical device that would automatically trigger the nuclear destruction of an aggressor country or the extinction of all life on Earth in the event of a nuclear attack on the country maintaining the device.
[…]
In 1993 a respected U.S. expert on the Russian military asserted in an interview that the Soviet Union had developed a type of doomsday machine in the early 1980s and that the device was still operative in Russia. The automated system, known as the Dead Hand, was allegedly designed to launch nuclear missiles at U.S. targets if it detected a nuclear attack on Moscow and if communications links with top military commanders were cut (indicating that the commanders had been killed)
TRUMP’S DEAD HAND (2026)
Tagline: If you shoot at the king - you’re f*cked.