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Budget cuts forced the cancellation of three of these.Five of the remaining six missions achieved successful landings, but the Apollo 13 landing was prevented by an oxygen tank explosion in transit to the Moon, which damaged the CSM's propulsion and life support.The mission module was determined to be only useful as an extra room, and therefore deemed unnecessary.They used Faget's design as the specification for another competition for spacecraft procurement bids in October 1961."Now it is time to take longer strides - time for a great new American enterprise - time for this nation to take a clearly leading role in space achievement, which in many ways may hold the key to our future on Earth. I believe that this nation should commit itself to achieving the goal, before this decade is out, of landing a man on the Moon and returning him safely to the Earth.
Up to the election of 1960, Kennedy had been speaking out against the "missile gap" that he and many other senators felt had formed between the Soviets and themselves due to the inaction of President Eisenhower.
Kennedy's goal was accomplished on the Apollo 11 mission when astronauts Neil Armstrong and Buzz Aldrin landed their Lunar Module (LM) on July 20, 1969, and walked on the lunar surface, while Michael Collins remained in lunar orbit in the Command/Service Module (CSM), and all three landed safely on Earth on July 24.
Five subsequent Apollo missions also landed astronauts on the Moon, the last in December 1972.
Apollo 8 was the first manned spacecraft to orbit another celestial body, while the final Apollo 17 mission marked the sixth Moon landing and the ninth manned mission beyond low Earth orbit.
The program returned 842 pounds (382 kg) of lunar rocks and soil to Earth, greatly contributing to the understanding of the Moon's composition and geological history.Even some NASA employees doubted whether Kennedy's ambitious goal could be met.