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 Lunar Module final three "J-class missions", Apollo 15, 16 and 17, were significantly upgraded to allow for greater landing payload weights and longer lunar surface stay times. The descent engine power was improved by the addition of a extension to the engine bell, and the descent propellant tanks were increased in size. A waste storage tank was added to the descent stage, with plumbing from the ascent stage. These upgrades allowed stay times of up to 75 hours on the Moon. The Lunar Roving Vehicle was carried folded up in Quadrant 1 of the descent stage and deployed by the astronauts after