VIRGIN GALACTIC COMMERCIAL SPACECRAFT (IMAGE) Southwest Research Institute Caption Southwest Research Institute’s Dr. Alan Stern, planetary scientist and associate vice president of SwRI’s Space Science Division, will fly aboard the Virgin Galactic commercial spacecraft VSS Unity in preparation for a NASA-funded experiment in space. Credit Virgin Galactic Usage Restrictions Images/Videos may be used by 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.