Tapered Liquid Acquisition Device (IMAGE) Southwest Research Institute Caption Five variations of the NASA and SwRI-developed tapered liquid acquisition device (LAD), which is designed to safely deliver liquid propellant to a rocket engine from fuel tanks, were aboard Blue Origin's New Shepherd rocket today to evaluate their performance in microgravity. Credit SwRI Usage Restrictions Images/videos may be used by the media and the public for educational and informational purposes only License Original 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.