Draper began teaching at MIT as an assistant professor. He was appointed a full professor in
aeronautical engineering in 1939. It was here that he founded the Instrumentation Laboratory in the 1930s, spun off in 1973 as the
Charles Stark Draper Laboratory. Draper's interest in flight instrumentation was influenced by becoming a pilot in the 1930s: although he failed to become an
Air Corps pilot, he learned to fly by enrolling in a civilian course. Draper was one of the pioneers of inertial navigation, a technology used in
aircraft, space vehicles, and
submarines that enables such vehicles to navigate by sensing changes in direction and speed using
gyroscopes and
accelerometers. A pioneering figure in
aerospace engineering, he contributed to the
Apollo space program with his knowledge of guidance systems. In 1961 Draper and the Instrumentation Lab were awarded the first contract given out for the
Apollo program to send humans to the
Moon, which was announced by President
John F. Kennedy on 25 May of that year. This led to the creation of the
Apollo Guidance Computer, a one-cubic-foot computer that controlled the navigation and guidance of the
lunar module to the Moon on nine launches, six of which landed on the Moon's surface. Draper taught and conducted research at MIT until January 1970, devoting most of his energy during his final decade to completing the Apollo computers and software. Draper was inducted into the
National Inventors Hall of Fame in 1981 for his multiple inventions and scientific contributions. ==Professional associations==