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The vault-like, 40-foot diameter, 40-ton door of Chamber A at NASA’s Johnson Space Center in Houston was unsealed on November 18, signaling the end of cryogenic testing for NASA’s James Webb Space Telescope. Credit: NASA Cryogenic thermal vacuum testing on NASA’s multi-billion dollar James Webb Space Telescope (JWST) has wrapped up at the agency’s […] 
A robotic arm lifts and lowers a golden James Webb Space Telescope flight spare primary mirror segment onto a test piece of backplane at NASA’s Goddard Space Flight Center in Greenbelt, Md. In this image the JWST team practices the positioning that will be done on the actual telescope in the cleanroom. Dave Sime, […] 
The ‘Pathfinder’ enters Chamber A at NASA’s Johnson Space Center. Image Credit: NASA/Chris Gunn If there is one mantra that drives the development of space mission projects, it’s ‘test, test, test’. Before every successful manned or robotic mission has ever flown to space countless man-hours were devoted for extensive and rigorous testing on the […] |
 Next Launch NROL-71 on a Delta IV Heavy rocket from Vandenberg AFB, CA scheduled for: 9 Dec 18 at 4:15 GMT 8 Dec 18 at 8:15pm Pacific 8 Dec 18 at 11:15pm Eastern 
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