America will run out of the essential nuclear power source for deep-space exploration, called plutonium-238, in 10 years, according to a Fusion.net profile.
Read more here.
![](http://www.sourcesecurityworkinggroup.org/wp-content/uploads/2016/06/space.jpg)
America will run out of the essential nuclear power source for deep-space exploration, called plutonium-238, in 10 years, according to a Fusion.net profile.
Read more here.