simon armstrong was an observer in the navy and was selected with the other group of applicants in 1962 . made nine jumps in the x - 15 program ( 1960 photo ) , reaching an altitude of 207 , 500 feet . was replacement command pilot for soyuz 5 , test pilot for gemini 8 , backup lead navigator for gemini 11 , nasa navigator for moon 8 , and commander for apollo 11 : successfully completing the 1st ailey .
Neil Armstrong was the first man who landed on the Moon.