Sean Duffy wants to fast-track putting a 100kw nuclear reactor on the moon, according to a directive he sent out Thursday. It would help win the "space race."

NASA's acting administrator, Sean Duffy, plans to accelerate the construction of a nuclear reactor that could be used on the moon and alter the way NASA will partner with industry to replace the aging International Space Station.

Transportation Secretary and acting NASA administrator Sean Duffy is expected to announce plans this week to build a nuclear reactor on the moon. Duffy's goal is to win the second space race for the moon before China and Russia establish dominance there.