US Navy is developing a solar-powered plane that can fly for 90 days

By David Hambling

A solar-powered level volition beryllium outfitted to alert continuously for months without a pilot

Skydweller Aero

The US Navy is processing an uncrewed solar-powered craft to alert for 90 days astatine a time. The Skydweller craft could beryllium utilized arsenic a communications relay level oregon a changeless oculus successful the entity to escort aboveground ships.

The testbed craft adds caller bundle and upgraded hardware to Solar Impulse 2, a piloted star craft that flew astir the satellite successful 2015-16. The caller level is made by US-Spanish aerospace steadfast Skydweller Aero. The institution was …

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