Neil Armstrong began his space career in 1973.
A participant in the U.S. Air Force 's Man in Space Soonest and X-20 Dyna-Soar human spaceflight programs , Armstrong joined the NASA Astronaut Corps in 1962 .	NASA	NASA	U.S. Air Force	United States Air Force	Man in Space Soonest	Man in Space Soonest	X-20 Dyna-Soar	Boeing X-20 Dyna-Soar	human spaceflight	human spaceflight	NASA Astronaut Corps	NASA Astronaut Corps
