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
Toy Story then Tempus from Morph, and eventually Buzz Lightyear (after astronaut Buzz Aldrin). Lightyear's design was modeled on the suits worn by Apollo astronauts as well as G.I. Joe action figures. In addition, the green and purple color scheme on Lightyear's suit was inspired by Lasseter and his wife, Nancy, whose favorite colors were green and purple respectively. Woody, the second character, was inspired by a Casper the Friendly Ghost doll that Lasseter had when he was a child. Originally, Woody was a ventriloquist's dummy with a pull-string (hence the name Woody). However, character designer Bud Luckey suggested that Woody could