Russia has begun underwater tests of its Poseidon thermonuclear torpedo.

The Poseidon is an 80-foot-long nuclear-powered submersible robot that is essentially an underwater ICBM. It is designed to travel autonomously across thousands of miles, detonate outside an enemy coastal city, and destroy it by generating a tsunami.

"In the sea area protected from a potential enemy’s reconnaissance means, the underwater trials of the nuclear propulsion unit of the Poseidon drone are underway," an unnamed Russian defense official told the

Whoever nukes will most assuredly perish, along with probably everyone else. That's the reality of mutual assured destruction.  To read more, click here.