U.S. Marines test solar-powered drones at annual energy expo

Sunday, June 28, 2015 - 15:30 in Biology & Nature

Fred LambertCAMP LEJEUNE, N.C., June 28 (UPI) -- U.S. Marines tested prototypes of solar-powered drones along with other concept technologies at an energy-saving expo in Camp Lejeune, N.C. last week.

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