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 return to the Air Force. During his NASA career, he had spent 289 hours and 53 minutes in space, of which 7 hours and 52 minutes spent was in EVA. He hoped to become Commandant of Cadets at the United States Air Force Academy, but this job was given to his West Point classmate Hoyt S. Vandenberg Jr. Aldrin was assigned as Commandant of the USAF Aerospace Research Pilot School at Edwards Air Force Base, California, on July 1, 1971. Aldrin had neither managerial nor test pilot experience, but a third of the training curriculum was devoted to astronaut training,