Full Scale Model of the Webb's Sunshield (IMAGE) NASA/Goddard Space Flight Center Caption One full-scale Webb telescope sunshield membrane deployed on the membrane test fixture at Mantech, Hunstville, Ala., is ready for a precise measurement of its three dimensional shape. Credit Northrop Grumman Aerospace Systems 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.