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 first to McMurdo Station and from there to Christchurch, New Zealand. At 86 years of age, Aldrin's visit made him the oldest person to ever reach the South Pole. He had previously traveled to the North Pole in 1998. After leaving NASA, Aldrin continued to advocate for space exploration. In 1985 he joined the University of North Dakota (UND)'s College of Aerospace Sciences (now the John D. Odegard School of Aerospace Sciences) at the invitation of John D. Odegard, the dean of the college at time. Aldrin helped to develop UND's Space Studies program and brought Dr. David Webb from