This 'pseudo-satellite' drone can fly 70,000 feet up in the sky

High-altitude platform station - Wikipedia

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Drone Warfare Programme': HAL To Soon Get Govt Approval To Develop Indigenous High Altitude Pseudo-Satellite

MOD buys third record-breaking UAV

archives - 24 Jul 2018. euronews : International and European news

This 'pseudo-satellite' drone can fly 70,000 feet up in the sky

Solar-powered drones flying up to 70,000ft for a YEAR could be used in space wars if satellites are wiped out

Perpetual flight: The incredible technology behind nonstop drones - Big Think

archives - 24 Jul 2018. euronews : International and European news