A NASA establishment near Houston, Texas, founded in 1961 to design and develop manned spacecraft, to select and train astronauts, and to conduct their missions. JSC houses the Mission Control for Shuttle flights and also a separate control centre for the International Space Station. Lunar samples collected by the Apollo missions are stored at JSC.
http://www.nasa.gov/centers/johnson/home/index.html Official website.
Subjects: Astronomy and Astrophysics.