ER-2 Used in Field Campaigns (IMAGE) NASA/Goddard Space Flight Center Caption During the field campaign NASA's high-altitude ER-2 aircraft carries three radars and a radiometer to measure rainfall from 65,000 feet. Credit Image Credit: NASA/Tony Landis 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.