Based in Farnborough just outside London, Aalto HAPS makes solar-powered, fixed-wing drones that operate above 60,000 feet. Known as Zephyr, these high-altitude platform stations, or HAPS ...

An excellent example of this would be the progressively advanced drone series from the Zephyr family developed by Airbus. The latest tested machine, the Zephyr S, stayed airborne for 26 days ...

“The prototype aircraft's flight ended when the Zephyr 8 UAS encountered events that led to its unexpected shutdown,” said the US Army Command in a statement. The drone was launched from the ...