Facebook's solar-powered drone lands gracefully in Arizona
YUMA, Ariz. (AP) - A solar-powered drone backed by Facebook and its founder Mark Zuckerburg has quietly completed a test flight in Yuma after an earlier attempt ended with a crash landing.
The Yuma Sun reports (http://bit.ly/2stsNUM ) the drone's second flight was completed last month at Yuma Proving Ground.
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