Eliana Walker of UOG WERI (IMAGE) University of Guam Caption Eliana Walker, research associate with the Water and Environmental Research Institute of the Western Pacific at the University of Guam, prepares for a drone excursion. Unmanned aerial systems will be used in a $715,000 NASA Guam EPSCoR project to collect critical data on the Northern Guam Lens Aquifer, the island’s primary source of drinking water, and nearby coral reefs. Credit University of Guam Usage Restrictions For use only with publication of this press release 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.