Third-party evidence for Apollo Moon landings their orbits. According to the group, in December 1972 a member "picks up Apollo 17 on its way to the Moon". Paul Maley reports several sightings of the Apollo 12 Command Module. Chabot Observatory calendar records an application of optical tracking during the final phases of Apollo 13, on April 17, 1970: Corralitos Observatory photographed Apollo 14. Paul Wilson and Richard T. Knadle, Jr. received voice transmissions from the Command/Service Module in lunar orbit on the morning of August 1, 1971. In an article for "QST" magazine they provide a detailed description of their work, with photographs. Jewett Observatory at
Moon by the Soviet Union's Luna 2, an unmanned spacecraft. The United States' NASA Apollo program achieved the only manned lunar missions to date, beginning with the first manned orbital mission by Apollo 8 in 1968, and six manned landings between 1969 and 1972, with the first being Apollo 11. These missions returned lunar rocks which have been used to develop a geological understanding of the Moon's origin, internal structure, and the Moon's later history. Since the Apollo 17 mission in 1972, the Moon has been visited only by unmanned spacecraft. Both the Moon's natural prominence in the earthly sky and