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ion tiger uav, Tag
- Naval Research Laboratory Flies Their Hydrogen-Powered Ion Tiger UAV for Over 48 Hours Thu, 16 May 13, 6:30amA team from the U.S. Naval Research Laboratory (NRL) have broken their own record after flying their hydrogen fuel cell powered-Ion Tiger UAV for an astonishing 48 hours and 1 minute last month. The UAV, which used liquid...