Its first space flight on board Gemini 8 took place in 1966, flight for which itcarried the role of pilot-commander. During this mission, it carried out the first manual mooring of two spacecrafts with the pilot “Dave” Scott. The second spaceflight of Armstrong was as a commander of the famous mission Apollo 11 on July 20th, 1969. At the time of this mission, him and Buzz Aldrin are gone down on thesurface from the Moon in the lunar module Apollo and devoted two hours twenty to explore while Michael Collins remained in orbit in the module of order andApollo service. Armstrong accepted Congressional Space Medal of Honor.
Before becoming astronaut, this graduate of the Purdue University worked in the marineof the United States and took part in the war of Korea. After the war, it was useful as test pilot with the High-Speed Flight Station of the National AdvisoryCommittee for Aeronautics (NACA), site from now on known like Dryden Flight Research Center, where it carried out more than 900 flights on more than 200different apparatuses  like North American F-100 Super Sabers (A and C), McDonnell F-101 Voodoo and Lockheed F-104 Starfighter. It also flew on the BeautifulX-1B, Beautiful X-5, North American X-15, Republic F-105 Thunderchief, Convair F-106 Delta Dart, Boeing B-47 Stratojet, Boeing KC-135 Stratotanker and NASA Paresev