Engineers Work with the Backplane (IMAGE) NASA/Goddard Space Flight Center Caption Scientists and engineers at Northrop Grumman work with the Backplane Structure Test Article (BSTA) or "spine" of the Webb Telescope. The BSTA is only 1/6 the size of the backplane that will fly on the telescope. 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.