Argument: A manned mission to Mars would unify humankind
Captain Alan Bean, The 77-year-old was part of the Apollo 12 mission and became the fourth man to walk on the Moon, sidedd with going to Mars instead of returning to the Moon: "We ought to gather the international community and go to Mars. I know it isn't how others feel because it is much cheaper to go back to the Moon but I would rather we went to Mars. If we did it with all those other countries it would have a tremendously unifying effect on the Earth. It would be an inspiration for all people on Earth."