Apollo Lunar Module The first manned lunar landing occurred on July 20, 1969 with the Apollo 11 LM "Eagle". Four days later, the Apollo 11 crew in the Command Module "Columbia" splashed down in the Pacific Ocean, completing President John F. Kennedy's goal "before this decade is out, of landing a man on the Moon and returning him safely to the Earth." This was followed by precision landings on Apollo 12 "(Intrepid)" and Apollo 14 "(Antares)".In April 1970, the Apollo 13 lunar module "Aquarius" played an unexpected role in saving the lives of the three astronauts after an oxygen tank in the service
Apollo Guidance Computer carried two Apollo Guidance Computers (AGC), one each in the command module and the lunar module, with the exception of Apollo 8 which did not need a lunar module for its lunar orbit mission. The AGC in the command module was the center of its guidance, navigation and control (GNC) system. The AGC in the lunar module ran its Apollo PGNCS (primary guidance, navigation and control system), with the acronym pronounced as "pings". Each lunar mission had two additional computers: The AGC was designed at the MIT Instrumentation Laboratory under Charles Stark Draper, with hardware design led by Eldon C.