was the first person a part of any other space missions?
Yes, Project Gemini
Neil Armstrong
In April 1962, NASA announced that applications were being sought for the second group of NASA astronauts for Project Gemini, a proposed two-man spacecraft. This time, selection was open to qualified civilian test pilots. 
where was the first moon landing launched from Kennedy Space Center what was the name of the mission? Apollo 11 which operations were performed on the surface of the moon? They jettisoned "Eagle" before they performed the maneuvers that propelled "Columbia" out of the last of its 30 lunar orbits onto a trajectory back to Earth. what is the surface geology of the said astronomical body like? Its atmosphere and oceans were formed by volcanic activity and outgassing. how strong is its magnetic field compared to earth? It has an external magnetic field of generally less than 0.2 nanoteslas, or less than one hundred thousandth that of Earth. and gravitational field? UNANSWERABLE does it have any impact craters? Yes, which formed when asteroids and comets collided with the lunar surface. on which other planets are such craters found? Mercury, Callisto, Ganymede are there such craters on earth? Yes where are they located? UNANSWERABLE how are they identified? Non-explosive volcanic craters can usually be distinguished by their irregular shape and the association of volcanic flows and other volcanic materials. who were the crew members for the mission discussed above? Neil Armstrong, Buzz Aldrin and Michael Collins.
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Neil Armstrong [SEP] Astronaut career
Air Force, and on March 15, 1962, he was selected by the U.S. Air Force as one of seven pilot-engineers who would fly the X-20 when it got off the design board. In April 1962, NASA announced that applications were being sought for the second group of NASA astronauts for Project Gemini, a proposed two-man spacecraft. This time, selection was open to qualified civilian test pilots. Armstrong visited the Seattle World's Fair in May 1962 and attended a conference there on space exploration that was co-sponsored by NASA. After he returned from Seattle on June 4, he applied to become an astronaut.