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
Lander (spacecraft) Surveyor. The U.S. manned Apollo Lunar Modules (since 1969) with rovers (since 1971) and Soviet unmanned late big landers (since 1969), Lunokhods (since 1970) and sample return missions (since 1970) used a rocket descent engine for a soft landing of astronauts and lunar rovers on the Moon. The Altair spacecraft, previously known as the "Lunar Surface Access Module" or "LSAM", was the planned lander for the Constellation program, prior to the cancellation of Project Constellation. Russia has plans for Luna-Grunt mission to return samples from the Moon by 2021. The Chinese Chang'e 3 mission and its Jade Rabbit rover landed