ONR's Ion Tiger (IMAGE) Office of Naval Research Caption The Office of Naval Research's "Ion Tiger" UAV will test a hydrogen-powered fuel cell design, which can travel farther and carry heavier payloads than earlier battery-powered designs. Credit US Office of Naval Research 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.