U.S. is in scarce supply on Mars , much more abundant on the moon . Used as a fuel for nuclear fusion , there would be almost no radioactive waste . University of Wisconsin team has built a small reactor to show 3He might work as fuel . But Schmitt , who has consulted for Kulcinski 's project since 1985 , and the professor think helium-3 has such potential it makes going back a vital mission . Former University of Wisconsin astronaut thinks Helium-3 needs new space policy , agency and Kulcinski return is vital .
U.S. is in scarce supply on Mars , much more abundant on the moon . Used as a fuel for nuclear fusion , there would be almost no radioactive waste . University of Wisconsin team has built a small reactor to show 3He might work as fuel . Former University of Wisconsin astronaut thinks Helium-3 needs new space policy , agency and Kulcinski return is vital .