UAS Helicopter with Radar (IMAGE) University of Kansas Caption The Pulse Aerospace Vapor 55 with the 2-18 GHz radar (high-frequency radar) prototype. The radar will be used to measure surface features, particularly crevasse size and shape. The silver box is the radar, and the tan 'box' below is the antenna. Credit: Emily Arnold Credit Emily Arnold 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.