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."

Shares of BWX Technologies hit a record high, as investors believe the nuclear-power company could be involved in NASA’s lunar plans.

The acceleration of nuclear development is part of the Trump administration’s efforts to focus NASA on human spaceflight. A reactor would be useful for long-term stays on the moon.