James Webb Space Telescope:
A View from NASA's Webb Bed-Chamber
James Webb Space Telescope:
Prep for Cryo Tests
James Webb Space Telescope:
Deployment of the Secondary Mirror Boom
James Webb Space Telescope:
NASA Prepares Webb Telescope Pathfinder for Famous Chamber A
James Webb Space Telescope:
Readied for Testing
James Webb Space Telescope:
Ramping Up For Johnson's Chamber A Test
James Webb Space Telescope:
JWST Pathfinder in front of Chamber A
James Webb Space Telescope:
Building Hubble's Successor: Crucial Pathfinder Test Set Up Inside Chamber A
James Webb Space Telescope:
"Pathfinder Telescope" Successfully Completes Second Super-Cold Optical Test
James Webb Space Telescope:
Chamber A Opens Wide for the Webb Telescope's Pathfinder Test
James Webb Space Telescope:
Chamber A Opens Wide for the Webb Telescope's Pathfinder Test
James Webb Space Telescope:
Self-Portrait of Webb's Pathfinder