James Webb in Chamber A in Houston (IMAGE) NASA/Goddard Space Flight Center Caption NASA's James Webb Space Telescope crossing the threshold into Chamber A at NASA's Johnson Space Center, Houston on June 21, 2017. Credit Credits: NASA/Chris Gunn Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.