Illustration of 1st-Generation TDRS (IMAGE) NASA/Goddard Space Flight Center Caption This is an illustration of a first-generation TDRS satellite. Credit NASA's Goddard Space Flight Center 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.