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 sighting. Aldrin confirmed that there was no such sighting of anything deemed extraterrestrial and said they were, and are, "99.9 percent" sure that the object was the detached panel. In an interview with the Science Channel, Aldrin mentioned seeing unidentified objects, but according to Aldrin his words had been taken out of context. He made a request to the Science Channel to clarify to viewers that he did not see alien spacecraft but was refused. In December 2016, Aldrin was part of a tourist group visiting the Amundsen–Scott South Pole Station in Antarctica when he fell ill and was evacuated,