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 should. I have always said that Buzz was the far more photogenic of the crew." Aldrin entered "Eagle" first. With some difficulty they lifted film and two sample boxes containing of lunar surface material to the hatch using a flat cable pulley device. Armstrong reminded Aldrin of a bag of memorial items in his sleeve pocket, and Aldrin tossed the bag down. It contained a mission patch for the Apollo 1 flight that Ed White never flew due to his death in the fire; medallions commemorating Yuri Gagarin, the first man in space, and Vladimir Komarov, the first man to