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 ceremony, NASA administrator Charles Bolden said, "Those of us who have had the privilege to fly in space followed the trail they forged." The Apollo 11 crew were awarded the Collier Trophy in 1969. The National Aeronautic Association president awarded a duplicate trophy to Collins and Aldrin at a ceremony. The National Space Club named the crew the winners of the 1970 Dr. Robert H. Goddard Memorial Trophy, awarded annually for the greatest achievement in spaceflight. They received the international Harmon Trophy for aviators in 1970, conferred to them by Vice President Spiro Agnew in 1971. Agnew also presented them