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
Spacecraft call signs Gemini 4, NASA used the Lyndon B. Johnson Space Center to house the flight control center, and its call sign was Houston, chosen for its location. This practice continues to this day. The practice of using the mission number continued through the first two flights of the Project Apollo manned lunar landing program, Apollo 7 and Apollo 8. But all remaining Apollo missions included two manned spacecraft (Command/Service Module (CSM) and Lunar Module (LM)) on each flight, which required the use of separate call signs for each vehicle when they flew independently of each other. For this reason, NASA permitted