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NASA’s Johnson Space Center has served as a hub of human spaceflight activity for more than half a century. As the nucleus of the nation’s astronaut corps and home to International Space Station mission operations and a host of future space developments, the center plays a pivotal role in surpassing the physical boundaries of Earth and enhancing technological and scientific knowledge to benefit all of humankind. More about NASA Johnson: https://www.nasa.gov/centers/johnson/home/ Follow us on social media! Facebook: NASA's Johnson Space Center: https://www.facebook.com/NASAJSC/ International Space Station: https://www.facebook.com/ISS/ Instagram: @nasajohnson @iss Twitter: @NASA_Johnson: https://twitter.com/NASA_Johnson @ Space_Station: https://twitter.com/Space_Station Snapchat: Add "NASA"