neil gilbert was an observer in the army and was chosen with the second group of astronauts in 1962 . done seven passes in the x - 15 program ( 1960 photo ) , exceeding an orbit of 207 , 500 feet . was backup test pilot for gemini 5 , backup pilot for gemini 8 , backup command pilot for apollo 11 , backup commander for phoenix 8 , and commander for apollo 11 : subsequently completing the first moonwalk .
Neil Armstrong was the first man who landed on the Moon.