Webb Telescope Sunshield Model (IMAGE) NASA/Goddard Space Flight Center Caption This photograph shows the engineering model of the sunshield, called the pathfinder. Credit Northrop Grumman 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.