Colonization of Mars of sending a person to Mars in 11 or 12 years". Richard Branson, in his lifetime, is "determined to be a part of starting a population on Mars. I think it is absolutely realistic. It will happen... I think over the next 20 years, we will take literally hundreds of thousands of people to space and that will give us the financial resources to do even bigger things". In June 2013, Buzz Aldrin, American engineer and former astronaut, and the second person to walk on the Moon, wrote an opinion, published in "The New York Times", supporting a human mission
Buzz Aldrin He chose the United States Air Force, which had become a separate service in 1947, while Aldrin was still at West Point, and did not yet have its own academy. He was commissioned as a second lieutenant, and underwent basic flight training in T-6 Texans at Bartow Air Base in Florida. His classmates included Sam Johnson, who later became a prisoner of war in Vietnam. The two became lifelong friends. At one point, Aldrin attempted a double Immelmann turn in a T-28 Trojan and suffered a grayout. He recovered in time to pull out at , averting what would have