Why the U.S. Abandoned Nuclear-Powered Missiles More Than 50 Years Ago

President Donald Trump says the U.S. has a missile like the one that killed seven in the Russian arctic. That's untrue, because the U.S. abandoned the idea decades ago.

By Kyle Mizokami

https://www.popularmechanics.com/military/research/a28690053/russia-nuclear-powered-missile-skyfall/