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The U.S. military wants to have robotic eyes in the sky constantly roving and watching what goes on below, 24 hours a day, seven days a week. They might achieve that capability very soon, as a test vehicle called the Zephyr just obliterated the old endurance record for an Unmanned Aerial Vehicle (UAV), nearly tripling the previous record. How did the Zephyr stay aloft for so long? More »
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An RQ-4 Global Hawk broke the world record for unrefueled flight endurance by a full-scale uncrewed aircraft in a test at Edwards Air Force Base last week, staying aloft for 33.1 hours at altitudes approaching 60,000 feet. The Northrop-Grumman built plane costs $28 million each - there are currently three of them in action both in the U.S. and in the Middle East. The previous record was held by an earlier variant of the Global Hawk. More »
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