From there, people can make the final assembly and check out of all the habitation and final supplies and all the life support systems, if they are successful doing that, they can go down and land [on Mars].

Buzz Aldrin

Buzz Aldrin (born Edwin Eugene Aldrin, Jr.; January 20, 1930) is an American mechanical engineer, retired United States Air Force pilot and astronaut who was the Lunar Module pilot on Apollo 11, the first manned lunar landing in history. On July 20, 1969, he was the second human being to set foot on the Moon, following mission commander Neil Armstrong.

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