Exploration at its finest... People who want to go up there should be aloud. They would need the proper training and should be tested before that person is aloud the chance to go. The inhabitants of Earth will eventually be up in mars or in other worlds in the future anyways... This is going to happen. The colonization in Mars though would drastically push forward results and allow us to gather vital information on the living conditions and expectations of living of another planet other than earth.