Buzz Aldrin while Command Module Pilot Michael Collins remained in lunar orbit. A Presbyterian elder, Aldrin became the first person to hold a religious ceremony on the Moon when he privately took communion. Upon leaving NASA in 1971, he became Commandant of the U.S. Air Force Test Pilot School. He retired from the Air Force in 1972, after 21 years of service. His autobiographies "Return to Earth," (1973) and "Magnificent Desolation" (2009), recount his struggles with clinical depression and alcoholism in the years after leaving NASA. He continued to advocate for space exploration, particularly a manned mission to Mars, and developed the
Buzz Aldrin and students flew a modified F-104 Starfighter to the edge of space. Fellow Group 3 astronaut and moonwalker Alan Bean considered him well-qualified for the job. Aldrin did not get along well with his superior, Brigadier General Robert M. White, who had earned his astronaut wings flying the X-15. Aldrin's celebrity status led to people to defer to him more than the higher-ranking general. He was hospitalized for depression. His mother committed suicide in May 1968. Aldrin feared that his fame after Gemini 12 contributed. Her father had also committed suicide, and he believes he inherited depression from them. There