Time lapse of engineers at NASA Goddard Space Flight Center testing the deployment of Webb Telescope's Secondary Mirror and Support Structure.
Engineeers at NASA Goddard Space Flight Center deploy the Webb Telescope Secondary Mirror and Support Structure during a test using the Backplane Pathfinder. The Backplane Pathfinder is an exact replica of the Webb Telescope's backplane structure. Engineers are working with the Backplane Pathfinder to test and perfect the processes and workflow they will use on the real thing. This test deployment occured on Saturday, October 25, 2014.