Lowering the JWST ISIM into the cryo-vacuum chamber
This rare overhead view of the Space Environment Simulator (SES) test chamber at NASA's Goddard Space Flight Center in Greenbelt, Maryland shows the Integrated Science Instrument Module (ISIM) lowered into the chamber for the third long-duration cryo-vacuum test, known as ISIM CV-3.
Last Update: 1 September 2019