Buzz Aldrin propellants, with an expected five and a half month journey from the Earth to Mars, and a return trip to Earth of about the same duration on a twin-cycler. Aldrin continues to research this concept with engineers from Purdue University. In December 2003, Aldrin published an opinion piece in "The New York Times" criticizing NASA's objectives. In it, he voiced concern about NASA's development of a spacecraft "limited to transporting four astronauts at a time with little or no cargo carrying capability" and declared the goal of sending astronauts back to the Moon was "more like reaching for past glory
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