America Is Taking the Lead in Space Drone Development
A high-altitude “satellite” drone known as the Zephyr just touched down on Earth after setting a number of records for continuous flight by an unmanned aerial aircraft. The Zephyr managed to stay airborne for 64 days, 18 hours and 26 minutes, a prodigious feat made possible by its state-of-the-art solar-powered batteries that allow the craft... Read More
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