Johnson Space Center (JSC) is NASA's primary site for the development and operation of manned space missions, including the selection and training of astronauts. Founded in 1961 and located in Houston, Texas, the Johnson Space Center (JSC) houses the Mission Control for Space Shuttle flights and a separate control center for the International Space Station. JSC also conducts major programs related to manned spaceflight, space medicine, and aviation. Originally, known as the Manned Spacecraft Center, it was renamed the (Lyndon B.) Johnson Space Center, on 17 February 1973, after the President who, earlier in his career, recommended a manned lunar landing in response to early Soviet space successes.