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
The Return (Aldrin and Barnes novel) board the ISS, using mostly theoretical prototype vehicles. The rescue is a success, and the whole crew returns as heroes. The Return (Aldrin and Barnes novel) The Return is a 2000 novel written by Buzz Aldrin and John Barnes. The book details a fictional account of the future of space travel, specifically space tourism. Although set in the near future, it now seems somewhat dated as events that happened shortly after its release, such as the "Columbia" disaster and recent space tourism advances such as SpaceShipOne and Virgin Galactic, are not included. Most of the corporations within the novel have