Trump admin sets space agenda for future missions on use of nuclear power

The Donald Trump administration on Wednesday issued a new space policy directive for the use of nuclear power and propulsion in space. Known as Space Policy Directive - 6 (SPD-6), it helps NASA, the US space agency, in creating a sustainable presence on the Moon and sending astronauts to Mars. Space nuclear systems power spacecraft for missions where alternative power sources are inadequate, such as moon's dark side. Space nuclear systems include radioisotope power systems and nuclear reactors...