neil armstrong was an aviator in the marines and was selection with the second series of astronauts in 1962 . made seven attempts in the x - 15 program ( 1960 photo ) , reaching an altitude of 207 , 500 ft . was substitute chief pilot for gemini 5 , command commander for ranger 8 , backup command engineer for manned 11 , backup command for moon 8 , and navigator for apollo 11 : successfully completing the first moonwalk .
Neil Armstrong was the first man who landed on the Moon.