A major facility of the Japan Aerospace Exploration Agency (JAXA) located in Tsukuba Science City north of Tokyo. Opened in 1972, it has been responsible for the development of Japanese satellites and rockets as well as tracking and controlling them after launch. It develops and operates satellites and controls the Japanese Experiment Module (JEM) Kibo, now part of the International Space Station. TKSC also analyses spacecraft data, undertakes astronaut training, and develops launch vehicles and other space transport systems. Japan's Office of Space Flight and Operations, the Office of Space Application, the Institute of Space Technology and Aeronautics, and part of the Institute of Space and Astronautical Science are located at the TKSC.