Lucy Spacecraft (IMAGE) Southwest Research Institute Caption This artist's concept shows the Lucy spacecraft observing a Trojan asteroid. This NASA mission, led by Southwest Research Institute, passed a major milestone in preparation for the spacecraft launch in 2021. Credit NASA/Lockheed Martin Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes only 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.