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Neil A. Armstrong was the first man to walk on the moon. He was born in Ohio, America, on August 5, 1930. He began his NASA career in Ohio. After serving as a naval aviator from 1949 to 1952, Armstrong joined the National Advisory Committee for Aeronautics (NACA) in 1955. Over the next 17 years, he was an engineer, test pilot, astronaut and administrator for NACA and its successor agency, NASA. As a research pilot at NASA’s Flight Research Center, he was a project pilot on many pioneering high speed aircraft, including the well-known, 4000-mph X-15.

He has flown over 200 different models of aircraft, including jets, rockets, helicopters and gliders. Armstrong transferred to astronaut status in 1962. He was assigned as command pilot for the Gemini 8 mission. Gemini 8 was launched on March 16, 1966, and Armstrong performed the first successful docking of two vehicles in space. As spacecraft commander for Apollo 11, the first manned lunar landing mission, Armstrong gained the distinction of being the first man to land a craft on the moon and first to step on its surface. Armstrong subsequently was responsible for the coordination and management of overall NASA research and technology work related to aeronautics. Armstrong was given awards and medals by 17 countries. He was the recipient of many special honors. He passed away on Aug. 25, 2012 following complications resulting from heart disease. He was 82.

A. facilitate B. technology C. competitive D. parabolic