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
Celebrate the Century September 1999. Denomination: 33¢ No of stamps in sheet: 15 The stamps: Background image: Astronaut Buzz Aldrin sets up seismic equipment to record lunar tremors. Intaglio stamp: Buzz Aldrin's . Title: "Bicentennial, Watergate, and Earth Day". Date of issue: 18 November 1999. Denomination: 33¢ No of stamps in sheet: 15 The stamps: Background image: Ships gather in New York Harbor under the Statue of Liberty to take part in Bicentennial celebrations, July 4, 1976, marked the 200th birthday of the United States. Intaglio stamp: Videocassette recorder. On the occasion of the unveiling of the Boeing 747 stamp by the USPS,