Interim NASA Administrator Sean Duffy says his plan to put a nuclear reactor on the moon is part of his plain to "get there first and claim that for America."

Placing an atomic energy source on the lunar surface is “not science fiction,” experts say, but does pose technical challenges.

Analysis - It comes just three months after China and Russia announced they were considering a joint effort to also put a nuclear power station on the Moon in a new race for space dominance.