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 included 50% of their $475,000 bank account, and $9,500 a month plus 30% of his annual income, estimated at more than $600,000. He has one grandson, Jeffrey Schuss, born to his daughter, Janice, and three great-grandsons. In 2018 Aldrin was involved in a legal dispute with his children Andrew and Janice and former business manager Christina Korp over their claims that he was mentally impaired through dementia and Alzheimer's disease. Aldrin is an active supporter of the Republican Party, headlining fundraisers for its members of Congress, and endorsing its candidates. He appeared at a rally for George W. Bush in