1960s the Apollo 8 crew (Frank Borman, Jim Lovell, William Anders) being the first manned mission to orbit another celestial body (the moon) during Christmas of 1968. On 20 July 1969, Apollo 11, the first human spaceflight landed on the Moon. Launched on 16 July 1969, it carried mission Commander Neil Armstrong, Command Module Pilot Michael Collins, and the Lunar Module Pilot Buzz Aldrin. Apollo 11 fulfilled President John F. Kennedy's goal of reaching the moon by the end of the 1960s, which he had expressed during a speech given before a joint session of Congress on 25 May 1961: "I
Apollo 8 CMP, and Buzz Aldrin as LMP for the third crewed Apollo flight was officially announced at the same time as the prime crew. When Lovell was reassigned to the prime crew, Aldrin was moved to CMP, and Fred Haise was brought in as backup LMP. Armstrong would later command Apollo 11, with Aldrin as LMP and Collins as CMP. Haise served on the backup crew of Apollo 11 as LMP and flew on Apollo 13 as LMP. During Projects Mercury and Gemini, each mission had a prime and a backup crew. For Apollo, a third crew of astronauts was added,