AUAV Sampling Atmosphere (IMAGE) U.S. National Science Foundation Caption An AUAV sampling the atmosphere. The aircraft may be airborne for hours and travel hundreds of miles, while flying at an altitude of 15,000 feet. Credit Scripps Institution of Oceanography 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.