Grenade Launched Unmanned Aerial System (IMAGE) TechLink Caption The US Army's conceptual drawing of the GLUAS paragliding drone. Credit (color enhancement by TechLink via U.S. Patent Application 16/120,488) 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.